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Finding the Fourth Proportional to 116,712.60, 175,044.60 and 50,154.90

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Solution

The fourth proportional to 116,712.60, 175,044.60 and 50,154.90 is: 75,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,712.60 : 175,044.60 = 50,154.90 : x
  2. Step 2: Convert to fraction form
    116,712.60/175,044.60 = 50,154.90/x
  3. Step 3: Cross multiply
    116,712.60x = 175,044.60 × 50,154.90
  4. Step 4: Simplify right side
    116,712.60x = 8,779,344,408.54
  5. Step 5: Solve for x
    x = 8,779,344,408.54/116,712.60
  6. Step 6: Final answer
    x = 75,221.91

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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.