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Finding the Fourth Proportional to 102,532.79, 141,472.58 and 59,487.32

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Solution

The fourth proportional to 102,532.79, 141,472.58 and 59,487.32 is: 82,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,532.79 : 141,472.58 = 59,487.32 : x
  2. Step 2: Convert to fraction form
    102,532.79/141,472.58 = 59,487.32/x
  3. Step 3: Cross multiply
    102,532.79x = 141,472.58 × 59,487.32
  4. Step 4: Simplify right side
    102,532.79x = 8,415,824,693.93
  5. Step 5: Solve for x
    x = 8,415,824,693.93/102,532.79
  6. Step 6: Final answer
    x = 82,079.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.