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Finding the Fourth Proportional to 97,419.52, 146,175.52 and 67,479.80

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Solution

The fourth proportional to 97,419.52, 146,175.52 and 67,479.80 is: 101,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,419.52 : 146,175.52 = 67,479.80 : x
  2. Step 2: Convert to fraction form
    97,419.52/146,175.52 = 67,479.80/x
  3. Step 3: Cross multiply
    97,419.52x = 146,175.52 × 67,479.80
  4. Step 4: Simplify right side
    97,419.52x = 9,863,894,854.50
  5. Step 5: Solve for x
    x = 9,863,894,854.50/97,419.52
  6. Step 6: Final answer
    x = 101,251.73

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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.