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Finding the Fourth Proportional to 194,951.88, 292,426.34 and 79,545.92

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Solution

The fourth proportional to 194,951.88, 292,426.34 and 79,545.92 is: 119,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,951.88 : 292,426.34 = 79,545.92 : x
  2. Step 2: Convert to fraction form
    194,951.88/292,426.34 = 79,545.92/x
  3. Step 3: Cross multiply
    194,951.88x = 292,426.34 × 79,545.92
  4. Step 4: Simplify right side
    194,951.88x = 23,261,320,387.67
  5. Step 5: Solve for x
    x = 23,261,320,387.67/194,951.88
  6. Step 6: Final answer
    x = 119,318.27

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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.