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Finding the Fourth Proportional to 72,269.91, 108,377.93 and 24,871.75

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Solution

The fourth proportional to 72,269.91, 108,377.93 and 24,871.75 is: 37,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,269.91 : 108,377.93 = 24,871.75 : x
  2. Step 2: Convert to fraction form
    72,269.91/108,377.93 = 24,871.75/x
  3. Step 3: Cross multiply
    72,269.91x = 108,377.93 × 24,871.75
  4. Step 4: Simplify right side
    72,269.91x = 2,695,548,571.71
  5. Step 5: Solve for x
    x = 2,695,548,571.71/72,269.91
  6. Step 6: Final answer
    x = 37,298.35

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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.