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Finding the Fourth Proportional to 125,838.38, 173,656.87 and 69,249.76

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Solution

The fourth proportional to 125,838.38, 173,656.87 and 69,249.76 is: 95,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838.38 : 173,656.87 = 69,249.76 : x
  2. Step 2: Convert to fraction form
    125,838.38/173,656.87 = 69,249.76/x
  3. Step 3: Cross multiply
    125,838.38x = 173,656.87 × 69,249.76
  4. Step 4: Simplify right side
    125,838.38x = 12,025,695,962.58
  5. Step 5: Solve for x
    x = 12,025,695,962.58/125,838.38
  6. Step 6: Final answer
    x = 95,564.61

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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.