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Finding the Fourth Proportional to 237,172.78, 327,304.56 and 129,747.34

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Solution

The fourth proportional to 237,172.78, 327,304.56 and 129,747.34 is: 179,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,172.78 : 327,304.56 = 129,747.34 : x
  2. Step 2: Convert to fraction form
    237,172.78/327,304.56 = 129,747.34/x
  3. Step 3: Cross multiply
    237,172.78x = 327,304.56 × 129,747.34
  4. Step 4: Simplify right side
    237,172.78x = 42,466,896,029.87
  5. Step 5: Solve for x
    x = 42,466,896,029.87/237,172.78
  6. Step 6: Final answer
    x = 179,054.68

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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.