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Finding the Fourth Proportional to 131,210.98, 195,792.71 and 117,073.78

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Solution

The fourth proportional to 131,210.98, 195,792.71 and 117,073.78 is: 174,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,210.98 : 195,792.71 = 117,073.78 : x
  2. Step 2: Convert to fraction form
    131,210.98/195,792.71 = 117,073.78/x
  3. Step 3: Cross multiply
    131,210.98x = 195,792.71 × 117,073.78
  4. Step 4: Simplify right side
    131,210.98x = 22,922,191,581.29
  5. Step 5: Solve for x
    x = 22,922,191,581.29/131,210.98
  6. Step 6: Final answer
    x = 174,697.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.