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Finding the Fourth Proportional to 118,000.34, 176,863.14 and 67,434.83

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Solution

The fourth proportional to 118,000.34, 176,863.14 and 67,434.83 is: 101,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,000.34 : 176,863.14 = 67,434.83 : x
  2. Step 2: Convert to fraction form
    118,000.34/176,863.14 = 67,434.83/x
  3. Step 3: Cross multiply
    118,000.34x = 176,863.14 × 67,434.83
  4. Step 4: Simplify right side
    118,000.34x = 11,926,734,557.68
  5. Step 5: Solve for x
    x = 11,926,734,557.68/118,000.34
  6. Step 6: Final answer
    x = 101,073.73

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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.