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Finding the Fourth Proportional to 125,613.72, 173,344.95 and 69,023.88

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Solution

The fourth proportional to 125,613.72, 173,344.95 and 69,023.88 is: 95,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,613.72 : 173,344.95 = 69,023.88 : x
  2. Step 2: Convert to fraction form
    125,613.72/173,344.95 = 69,023.88/x
  3. Step 3: Cross multiply
    125,613.72x = 173,344.95 × 69,023.88
  4. Step 4: Simplify right side
    125,613.72x = 11,964,941,027.41
  5. Step 5: Solve for x
    x = 11,964,941,027.41/125,613.72
  6. Step 6: Final answer
    x = 95,251.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.