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Finding the Fourth Proportional to 169,892.78, 254,805.15 and 161,462.30

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Solution

The fourth proportional to 169,892.78, 254,805.15 and 161,462.30 is: 242,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,892.78 : 254,805.15 = 161,462.30 : x
  2. Step 2: Convert to fraction form
    169,892.78/254,805.15 = 161,462.30/x
  3. Step 3: Cross multiply
    169,892.78x = 254,805.15 × 161,462.30
  4. Step 4: Simplify right side
    169,892.78x = 41,141,425,570.85
  5. Step 5: Solve for x
    x = 41,141,425,570.85/169,892.78
  6. Step 6: Final answer
    x = 242,161.12

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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.