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Finding the Fourth Proportional to 125,874.52, 173,705.52 and 69,284.68

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Solution

The fourth proportional to 125,874.52, 173,705.52 and 69,284.68 is: 95,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,874.52 : 173,705.52 = 69,284.68 : x
  2. Step 2: Convert to fraction form
    125,874.52/173,705.52 = 69,284.68/x
  3. Step 3: Cross multiply
    125,874.52x = 173,705.52 × 69,284.68
  4. Step 4: Simplify right side
    125,874.52x = 12,035,131,367.43
  5. Step 5: Solve for x
    x = 12,035,131,367.43/125,874.52
  6. Step 6: Final answer
    x = 95,612.13

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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.