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Finding the Fourth Proportional to 182,388.66, 273,679.32 and 129,422.90

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Solution

The fourth proportional to 182,388.66, 273,679.32 and 129,422.90 is: 194,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,388.66 : 273,679.32 = 129,422.90 : x
  2. Step 2: Convert to fraction form
    182,388.66/273,679.32 = 129,422.90/x
  3. Step 3: Cross multiply
    182,388.66x = 273,679.32 × 129,422.90
  4. Step 4: Simplify right side
    182,388.66x = 35,420,369,896.03
  5. Step 5: Solve for x
    x = 35,420,369,896.03/182,388.66
  6. Step 6: Final answer
    x = 194,202.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.