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Finding the Fourth Proportional to 151,362.90, 227,044.35 and 127,743.30

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Solution

The fourth proportional to 151,362.90, 227,044.35 and 127,743.30 is: 191,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,362.90 : 227,044.35 = 127,743.30 : x
  2. Step 2: Convert to fraction form
    151,362.90/227,044.35 = 127,743.30/x
  3. Step 3: Cross multiply
    151,362.90x = 227,044.35 × 127,743.30
  4. Step 4: Simplify right side
    151,362.90x = 29,003,394,515.36
  5. Step 5: Solve for x
    x = 29,003,394,515.36/151,362.90
  6. Step 6: Final answer
    x = 191,614.95

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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.