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Finding the Fourth Proportional to 229,711.72, 317,027.10 and 134,250.52

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Solution

The fourth proportional to 229,711.72, 317,027.10 and 134,250.52 is: 185,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,711.72 : 317,027.10 = 134,250.52 : x
  2. Step 2: Convert to fraction form
    229,711.72/317,027.10 = 134,250.52/x
  3. Step 3: Cross multiply
    229,711.72x = 317,027.10 × 134,250.52
  4. Step 4: Simplify right side
    229,711.72x = 42,561,053,029.09
  5. Step 5: Solve for x
    x = 42,561,053,029.09/229,711.72
  6. Step 6: Final answer
    x = 185,280.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.