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Finding the Fourth Proportional to 72,269.16, 108,376.80 and 24,871.01

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Solution

The fourth proportional to 72,269.16, 108,376.80 and 24,871.01 is: 37,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,269.16 : 108,376.80 = 24,871.01 : x
  2. Step 2: Convert to fraction form
    72,269.16/108,376.80 = 24,871.01/x
  3. Step 3: Cross multiply
    72,269.16x = 108,376.80 × 24,871.01
  4. Step 4: Simplify right side
    72,269.16x = 2,695,439,934.68
  5. Step 5: Solve for x
    x = 2,695,439,934.68/72,269.16
  6. Step 6: Final answer
    x = 37,297.24

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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.