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Finding the Fourth Proportional to 240,042, 331,254.04 and 132,616.56

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Solution

The fourth proportional to 240,042, 331,254.04 and 132,616.56 is: 183,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,042 : 331,254.04 = 132,616.56 : x
  2. Step 2: Convert to fraction form
    240,042/331,254.04 = 132,616.56/x
  3. Step 3: Cross multiply
    240,042x = 331,254.04 × 132,616.56
  4. Step 4: Simplify right side
    240,042x = 43,929,771,270.90
  5. Step 5: Solve for x
    x = 43,929,771,270.90/240,042
  6. Step 6: Final answer
    x = 183,008.69

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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.