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Finding the Fourth Proportional to 356,665.47, 535,058.34 and 119,951.88

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Solution

The fourth proportional to 356,665.47, 535,058.34 and 119,951.88 is: 179,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,665.47 : 535,058.34 = 119,951.88 : x
  2. Step 2: Convert to fraction form
    356,665.47/535,058.34 = 119,951.88/x
  3. Step 3: Cross multiply
    356,665.47x = 535,058.34 × 119,951.88
  4. Step 4: Simplify right side
    356,665.47x = 64,181,253,792.68
  5. Step 5: Solve for x
    x = 64,181,253,792.68/356,665.47
  6. Step 6: Final answer
    x = 179,948.04

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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.