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Finding the Fourth Proportional to 122,030.70, 183,046.05 and 88,593.90

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Solution

The fourth proportional to 122,030.70, 183,046.05 and 88,593.90 is: 132,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,030.70 : 183,046.05 = 88,593.90 : x
  2. Step 2: Convert to fraction form
    122,030.70/183,046.05 = 88,593.90/x
  3. Step 3: Cross multiply
    122,030.70x = 183,046.05 × 88,593.90
  4. Step 4: Simplify right side
    122,030.70x = 16,216,763,449.10
  5. Step 5: Solve for x
    x = 16,216,763,449.10/122,030.70
  6. Step 6: Final answer
    x = 132,890.85

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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.