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Finding the Fourth Proportional to 125,272.47, 187,819.47 and 58,676.16

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Solution

The fourth proportional to 125,272.47, 187,819.47 and 58,676.16 is: 87,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.47 : 187,819.47 = 58,676.16 : x
  2. Step 2: Convert to fraction form
    125,272.47/187,819.47 = 58,676.16/x
  3. Step 3: Cross multiply
    125,272.47x = 187,819.47 × 58,676.16
  4. Step 4: Simplify right side
    125,272.47x = 11,020,525,272.84
  5. Step 5: Solve for x
    x = 11,020,525,272.84/125,272.47
  6. Step 6: Final answer
    x = 87,972.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.