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Finding the Fourth Proportional to 125,789.44, 173,589.68 and 69,204.32

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Solution

The fourth proportional to 125,789.44, 173,589.68 and 69,204.32 is: 95,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789.44 : 173,589.68 = 69,204.32 : x
  2. Step 2: Convert to fraction form
    125,789.44/173,589.68 = 69,204.32/x
  3. Step 3: Cross multiply
    125,789.44x = 173,589.68 × 69,204.32
  4. Step 4: Simplify right side
    125,789.44x = 12,013,155,763.42
  5. Step 5: Solve for x
    x = 12,013,155,763.42/125,789.44
  6. Step 6: Final answer
    x = 95,502.10

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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.