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Finding the Fourth Proportional to 237,807.04, 356,745.12 and 126,938.56

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Solution

The fourth proportional to 237,807.04, 356,745.12 and 126,938.56 is: 190,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,807.04 : 356,745.12 = 126,938.56 : x
  2. Step 2: Convert to fraction form
    237,807.04/356,745.12 = 126,938.56/x
  3. Step 3: Cross multiply
    237,807.04x = 356,745.12 × 126,938.56
  4. Step 4: Simplify right side
    237,807.04x = 45,284,711,819.83
  5. Step 5: Solve for x
    x = 45,284,711,819.83/237,807.04
  6. Step 6: Final answer
    x = 190,426.29

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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.