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Finding the Fourth Proportional to 125,460.62, 173,147.94 and 71,753.54

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Solution

The fourth proportional to 125,460.62, 173,147.94 and 71,753.54 is: 99,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,460.62 : 173,147.94 = 71,753.54 : x
  2. Step 2: Convert to fraction form
    125,460.62/173,147.94 = 71,753.54/x
  3. Step 3: Cross multiply
    125,460.62x = 173,147.94 × 71,753.54
  4. Step 4: Simplify right side
    125,460.62x = 12,423,977,638.71
  5. Step 5: Solve for x
    x = 12,423,977,638.71/125,460.62
  6. Step 6: Final answer
    x = 99,026.91

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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.