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Finding the Fourth Proportional to 125,523.60, 188,139.60 and 50,606.70

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Solution

The fourth proportional to 125,523.60, 188,139.60 and 50,606.70 is: 75,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,523.60 : 188,139.60 = 50,606.70 : x
  2. Step 2: Convert to fraction form
    125,523.60/188,139.60 = 50,606.70/x
  3. Step 3: Cross multiply
    125,523.60x = 188,139.60 × 50,606.70
  4. Step 4: Simplify right side
    125,523.60x = 9,521,124,295.32
  5. Step 5: Solve for x
    x = 9,521,124,295.32/125,523.60
  6. Step 6: Final answer
    x = 75,851.27

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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.