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Finding the Fourth Proportional to 237,399.76, 327,601.80 and 129,967.12

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Solution

The fourth proportional to 237,399.76, 327,601.80 and 129,967.12 is: 179,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,399.76 : 327,601.80 = 129,967.12 : x
  2. Step 2: Convert to fraction form
    237,399.76/327,601.80 = 129,967.12/x
  3. Step 3: Cross multiply
    237,399.76x = 327,601.80 × 129,967.12
  4. Step 4: Simplify right side
    237,399.76x = 42,577,462,452.82
  5. Step 5: Solve for x
    x = 42,577,462,452.82/237,399.76
  6. Step 6: Final answer
    x = 179,349.22

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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.