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Finding the Fourth Proportional to 237,785.60, 356,694.60 and 75,666.80

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Solution

The fourth proportional to 237,785.60, 356,694.60 and 75,666.80 is: 113,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,785.60 : 356,694.60 = 75,666.80 : x
  2. Step 2: Convert to fraction form
    237,785.60/356,694.60 = 75,666.80/x
  3. Step 3: Cross multiply
    237,785.60x = 356,694.60 × 75,666.80
  4. Step 4: Simplify right side
    237,785.60x = 26,989,938,959.28
  5. Step 5: Solve for x
    x = 26,989,938,959.28/237,785.60
  6. Step 6: Final answer
    x = 113,505.36

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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.