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Finding the Fourth Proportional to 229,763.48, 317,026.67 and 134,251.71

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Solution

The fourth proportional to 229,763.48, 317,026.67 and 134,251.71 is: 185,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,763.48 : 317,026.67 = 134,251.71 : x
  2. Step 2: Convert to fraction form
    229,763.48/317,026.67 = 134,251.71/x
  3. Step 3: Cross multiply
    229,763.48x = 317,026.67 × 134,251.71
  4. Step 4: Simplify right side
    229,763.48x = 42,561,371,891.85
  5. Step 5: Solve for x
    x = 42,561,371,891.85/229,763.48
  6. Step 6: Final answer
    x = 185,239.94

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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.