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Finding the Fourth Proportional to 102,502.40, 153,818.40 and 60,382.40

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Solution

The fourth proportional to 102,502.40, 153,818.40 and 60,382.40 is: 90,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,502.40 : 153,818.40 = 60,382.40 : x
  2. Step 2: Convert to fraction form
    102,502.40/153,818.40 = 60,382.40/x
  3. Step 3: Cross multiply
    102,502.40x = 153,818.40 × 60,382.40
  4. Step 4: Simplify right side
    102,502.40x = 9,287,924,156.16
  5. Step 5: Solve for x
    x = 9,287,924,156.16/102,502.40
  6. Step 6: Final answer
    x = 90,611.77

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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.