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Finding the Fourth Proportional to 194,149.92, 291,294.96 and 67,808.76

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Solution

The fourth proportional to 194,149.92, 291,294.96 and 67,808.76 is: 101,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,149.92 : 291,294.96 = 67,808.76 : x
  2. Step 2: Convert to fraction form
    194,149.92/291,294.96 = 67,808.76/x
  3. Step 3: Cross multiply
    194,149.92x = 291,294.96 × 67,808.76
  4. Step 4: Simplify right side
    194,149.92x = 19,752,350,031.85
  5. Step 5: Solve for x
    x = 19,752,350,031.85/194,149.92
  6. Step 6: Final answer
    x = 101,737.62

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1.5x scale

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.