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Finding the Fourth Proportional to 87,937,792,407.20, 131,906,688,610.80 and 87,937,792,407.20

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Solution

The fourth proportional to 87,937,792,407.20, 131,906,688,610.80 and 87,937,792,407.20 is: 131,906,688,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,937,792,407.20 : 131,906,688,610.80 = 87,937,792,407.20 : x
  2. Step 2: Convert to fraction form
    87,937,792,407.20/131,906,688,610.80 = 87,937,792,407.20/x
  3. Step 3: Cross multiply
    87,937,792,407.20x = 131,906,688,610.80 × 87,937,792,407.20
  4. Step 4: Simplify right side
    87,937,792,407.20x = 11,599,583,000,177,703,649,280
  5. Step 5: Solve for x
    x = 11,599,583,000,177,703,649,280/87,937,792,407.20
  6. Step 6: Final answer
    x = 131,906,688,610.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.