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Finding the Fourth Proportional to 72,167.94, 108,248.25 and 24,787.38

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Solution

The fourth proportional to 72,167.94, 108,248.25 and 24,787.38 is: 37,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167.94 : 108,248.25 = 24,787.38 : x
  2. Step 2: Convert to fraction form
    72,167.94/108,248.25 = 24,787.38/x
  3. Step 3: Cross multiply
    72,167.94x = 108,248.25 × 24,787.38
  4. Step 4: Simplify right side
    72,167.94x = 2,683,190,507.09
  5. Step 5: Solve for x
    x = 2,683,190,507.09/72,167.94
  6. Step 6: Final answer
    x = 37,179.81

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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.