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Finding the Fourth Proportional to 125,841.88, 173,661.42 and 69,253.21

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Solution

The fourth proportional to 125,841.88, 173,661.42 and 69,253.21 is: 95,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,841.88 : 173,661.42 = 69,253.21 : x
  2. Step 2: Convert to fraction form
    125,841.88/173,661.42 = 69,253.21/x
  3. Step 3: Cross multiply
    125,841.88x = 173,661.42 × 69,253.21
  4. Step 4: Simplify right side
    125,841.88x = 12,026,610,788.16
  5. Step 5: Solve for x
    x = 12,026,610,788.16/125,841.88
  6. Step 6: Final answer
    x = 95,569.22

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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.