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Finding the Fourth Proportional to 167,294.46, 250,787.67 and 72,465.06

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Solution

The fourth proportional to 167,294.46, 250,787.67 and 72,465.06 is: 108,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,294.46 : 250,787.67 = 72,465.06 : x
  2. Step 2: Convert to fraction form
    167,294.46/250,787.67 = 72,465.06/x
  3. Step 3: Cross multiply
    167,294.46x = 250,787.67 × 72,465.06
  4. Step 4: Simplify right side
    167,294.46x = 18,173,343,553.81
  5. Step 5: Solve for x
    x = 18,173,343,553.81/167,294.46
  6. Step 6: Final answer
    x = 108,630.87

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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.