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Finding the Fourth Proportional to 83,342.90, 124,926.87 and 59,956.58

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Solution

The fourth proportional to 83,342.90, 124,926.87 and 59,956.58 is: 89,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.90 : 124,926.87 = 59,956.58 : x
  2. Step 2: Convert to fraction form
    83,342.90/124,926.87 = 59,956.58/x
  3. Step 3: Cross multiply
    83,342.90x = 124,926.87 × 59,956.58
  4. Step 4: Simplify right side
    83,342.90x = 7,490,187,875.30
  5. Step 5: Solve for x
    x = 7,490,187,875.30/83,342.90
  6. Step 6: Final answer
    x = 89,871.94

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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.