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Finding the Fourth Proportional to 220,599,792.20, 330,899,688.30 and 59,041,728.20

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Solution

The fourth proportional to 220,599,792.20, 330,899,688.30 and 59,041,728.20 is: 88,562,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,599,792.20 : 330,899,688.30 = 59,041,728.20 : x
  2. Step 2: Convert to fraction form
    220,599,792.20/330,899,688.30 = 59,041,728.20/x
  3. Step 3: Cross multiply
    220,599,792.20x = 330,899,688.30 × 59,041,728.20
  4. Step 4: Simplify right side
    220,599,792.20x = 19,536,889,458,073,320
  5. Step 5: Solve for x
    x = 19,536,889,458,073,320/220,599,792.20
  6. Step 6: Final answer
    x = 88,562,592.30

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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.