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Finding the Fourth Proportional to 167,038.38, 250,572.17 and 42,379.38

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Solution

The fourth proportional to 167,038.38, 250,572.17 and 42,379.38 is: 63,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,038.38 : 250,572.17 = 42,379.38 : x
  2. Step 2: Convert to fraction form
    167,038.38/250,572.17 = 42,379.38/x
  3. Step 3: Cross multiply
    167,038.38x = 250,572.17 × 42,379.38
  4. Step 4: Simplify right side
    167,038.38x = 10,619,093,209.85
  5. Step 5: Solve for x
    x = 10,619,093,209.85/167,038.38
  6. Step 6: Final answer
    x = 63,572.77

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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.