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Finding the Fourth Proportional to 125,522.60, 188,138.10 and 50,605.70

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Solution

The fourth proportional to 125,522.60, 188,138.10 and 50,605.70 is: 75,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.60 : 188,138.10 = 50,605.70 : x
  2. Step 2: Convert to fraction form
    125,522.60/188,138.10 = 50,605.70/x
  3. Step 3: Cross multiply
    125,522.60x = 188,138.10 × 50,605.70
  4. Step 4: Simplify right side
    125,522.60x = 9,520,860,247.17
  5. Step 5: Solve for x
    x = 9,520,860,247.17/125,522.60
  6. Step 6: Final answer
    x = 75,849.77

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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.