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Finding the Fourth Proportional to 239,781.96, 330,897.29 and 132,351.98

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Solution

The fourth proportional to 239,781.96, 330,897.29 and 132,351.98 is: 182,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,781.96 : 330,897.29 = 132,351.98 : x
  2. Step 2: Convert to fraction form
    239,781.96/330,897.29 = 132,351.98/x
  3. Step 3: Cross multiply
    239,781.96x = 330,897.29 × 132,351.98
  4. Step 4: Simplify right side
    239,781.96x = 43,794,909,191.89
  5. Step 5: Solve for x
    x = 43,794,909,191.89/239,781.96
  6. Step 6: Final answer
    x = 182,644.72

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1.5x scale

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.