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Finding the Fourth Proportional to 59,159.96, 88,687.31 and 21,711.47

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Solution

The fourth proportional to 59,159.96, 88,687.31 and 21,711.47 is: 32,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,159.96 : 88,687.31 = 21,711.47 : x
  2. Step 2: Convert to fraction form
    59,159.96/88,687.31 = 21,711.47/x
  3. Step 3: Cross multiply
    59,159.96x = 88,687.31 × 21,711.47
  4. Step 4: Simplify right side
    59,159.96x = 1,925,531,318.45
  5. Step 5: Solve for x
    x = 1,925,531,318.45/59,159.96
  6. Step 6: Final answer
    x = 32,547.88

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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.