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Finding the Fourth Proportional to 223,132.88, 334,757.64 and 129,548.72

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Solution

The fourth proportional to 223,132.88, 334,757.64 and 129,548.72 is: 194,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,132.88 : 334,757.64 = 129,548.72 : x
  2. Step 2: Convert to fraction form
    223,132.88/334,757.64 = 129,548.72/x
  3. Step 3: Cross multiply
    223,132.88x = 334,757.64 × 129,548.72
  4. Step 4: Simplify right side
    223,132.88x = 43,367,423,772.22
  5. Step 5: Solve for x
    x = 43,367,423,772.22/223,132.88
  6. Step 6: Final answer
    x = 194,356.94

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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.