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Finding the Fourth Proportional to 145,159.20, 217,738.80 and 62,061.60

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Solution

The fourth proportional to 145,159.20, 217,738.80 and 62,061.60 is: 93,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,159.20 : 217,738.80 = 62,061.60 : x
  2. Step 2: Convert to fraction form
    145,159.20/217,738.80 = 62,061.60/x
  3. Step 3: Cross multiply
    145,159.20x = 217,738.80 × 62,061.60
  4. Step 4: Simplify right side
    145,159.20x = 13,513,218,310.08
  5. Step 5: Solve for x
    x = 13,513,218,310.08/145,159.20
  6. Step 6: Final answer
    x = 93,092.40

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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.