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Finding the Fourth Proportional to 58,766.68, 81,097.14 and 31,909.96

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Solution

The fourth proportional to 58,766.68, 81,097.14 and 31,909.96 is: 44,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,766.68 : 81,097.14 = 31,909.96 : x
  2. Step 2: Convert to fraction form
    58,766.68/81,097.14 = 31,909.96/x
  3. Step 3: Cross multiply
    58,766.68x = 81,097.14 × 31,909.96
  4. Step 4: Simplify right side
    58,766.68x = 2,587,806,493.51
  5. Step 5: Solve for x
    x = 2,587,806,493.51/58,766.68
  6. Step 6: Final answer
    x = 44,035.27

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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.