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Finding the Fourth Proportional to 125,934, 173,788.92 and 69,345.24

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Solution

The fourth proportional to 125,934, 173,788.92 and 69,345.24 is: 95,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934 : 173,788.92 = 69,345.24 : x
  2. Step 2: Convert to fraction form
    125,934/173,788.92 = 69,345.24/x
  3. Step 3: Cross multiply
    125,934x = 173,788.92 × 69,345.24
  4. Step 4: Simplify right side
    125,934x = 12,051,434,366.74
  5. Step 5: Solve for x
    x = 12,051,434,366.74/125,934
  6. Step 6: Final answer
    x = 95,696.43

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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.