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Finding the Fourth Proportional to 237,422.64, 327,643.26 and 129,992.68

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Solution

The fourth proportional to 237,422.64, 327,643.26 and 129,992.68 is: 179,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,422.64 : 327,643.26 = 129,992.68 : x
  2. Step 2: Convert to fraction form
    237,422.64/327,643.26 = 129,992.68/x
  3. Step 3: Cross multiply
    237,422.64x = 327,643.26 × 129,992.68
  4. Step 4: Simplify right side
    237,422.64x = 42,591,225,451.34
  5. Step 5: Solve for x
    x = 42,591,225,451.34/237,422.64
  6. Step 6: Final answer
    x = 179,389.91

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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.