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Finding the Fourth Proportional to 237,398.74, 327,610.34 and 129,975.60

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Solution

The fourth proportional to 237,398.74, 327,610.34 and 129,975.60 is: 179,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,398.74 : 327,610.34 = 129,975.60 : x
  2. Step 2: Convert to fraction form
    237,398.74/327,610.34 = 129,975.60/x
  3. Step 3: Cross multiply
    237,398.74x = 327,610.34 × 129,975.60
  4. Step 4: Simplify right side
    237,398.74x = 42,581,348,219.77
  5. Step 5: Solve for x
    x = 42,581,348,219.77/237,398.74
  6. Step 6: Final answer
    x = 179,366.36

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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.