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Finding the Fourth Proportional to 125,330.54, 187,949.02 and 50,425.38

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Solution

The fourth proportional to 125,330.54, 187,949.02 and 50,425.38 is: 75,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.54 : 187,949.02 = 50,425.38 : x
  2. Step 2: Convert to fraction form
    125,330.54/187,949.02 = 50,425.38/x
  3. Step 3: Cross multiply
    125,330.54x = 187,949.02 × 50,425.38
  4. Step 4: Simplify right side
    125,330.54x = 9,477,400,754.13
  5. Step 5: Solve for x
    x = 9,477,400,754.13/125,330.54
  6. Step 6: Final answer
    x = 75,619.24

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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.