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Finding the Fourth Proportional to 125,760.60, 188,600.81 and 41,505.12

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Solution

The fourth proportional to 125,760.60, 188,600.81 and 41,505.12 is: 62,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,760.60 : 188,600.81 = 41,505.12 : x
  2. Step 2: Convert to fraction form
    125,760.60/188,600.81 = 41,505.12/x
  3. Step 3: Cross multiply
    125,760.60x = 188,600.81 × 41,505.12
  4. Step 4: Simplify right side
    125,760.60x = 7,827,899,043.62
  5. Step 5: Solve for x
    x = 7,827,899,043.62/125,760.60
  6. Step 6: Final answer
    x = 62,244.45

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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.