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Finding the Fourth Proportional to 125,841.86, 173,661.71 and 69,253.24

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Solution

The fourth proportional to 125,841.86, 173,661.71 and 69,253.24 is: 95,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,841.86 : 173,661.71 = 69,253.24 : x
  2. Step 2: Convert to fraction form
    125,841.86/173,661.71 = 69,253.24/x
  3. Step 3: Cross multiply
    125,841.86x = 173,661.71 × 69,253.24
  4. Step 4: Simplify right side
    125,841.86x = 12,026,635,820.42
  5. Step 5: Solve for x
    x = 12,026,635,820.42/125,841.86
  6. Step 6: Final answer
    x = 95,569.44

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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.