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Finding the Fourth Proportional to 71,862.48, 107,727.26 and 36,724.68

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Solution

The fourth proportional to 71,862.48, 107,727.26 and 36,724.68 is: 55,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,862.48 : 107,727.26 = 36,724.68 : x
  2. Step 2: Convert to fraction form
    71,862.48/107,727.26 = 36,724.68/x
  3. Step 3: Cross multiply
    71,862.48x = 107,727.26 × 36,724.68
  4. Step 4: Simplify right side
    71,862.48x = 3,956,249,150.78
  5. Step 5: Solve for x
    x = 3,956,249,150.78/71,862.48
  6. Step 6: Final answer
    x = 55,053.06

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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.