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Finding the Fourth Proportional to 169,375.88, 233,757.96 and 97,775.12

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Solution

The fourth proportional to 169,375.88, 233,757.96 and 97,775.12 is: 134,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,375.88 : 233,757.96 = 97,775.12 : x
  2. Step 2: Convert to fraction form
    169,375.88/233,757.96 = 97,775.12/x
  3. Step 3: Cross multiply
    169,375.88x = 233,757.96 × 97,775.12
  4. Step 4: Simplify right side
    169,375.88x = 22,855,712,589.96
  5. Step 5: Solve for x
    x = 22,855,712,589.96/169,375.88
  6. Step 6: Final answer
    x = 134,940.78

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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.