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Finding the Fourth Proportional to 169,470.52, 254,212.41 and 51,141.88

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Solution

The fourth proportional to 169,470.52, 254,212.41 and 51,141.88 is: 76,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,470.52 : 254,212.41 = 51,141.88 : x
  2. Step 2: Convert to fraction form
    169,470.52/254,212.41 = 51,141.88/x
  3. Step 3: Cross multiply
    169,470.52x = 254,212.41 × 51,141.88
  4. Step 4: Simplify right side
    169,470.52x = 13,000,900,566.73
  5. Step 5: Solve for x
    x = 13,000,900,566.73/169,470.52
  6. Step 6: Final answer
    x = 76,714.82

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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.