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Finding the Fourth Proportional to 169,540.64, 234,008.56 and 97,962.24

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Solution

The fourth proportional to 169,540.64, 234,008.56 and 97,962.24 is: 135,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,540.64 : 234,008.56 = 97,962.24 : x
  2. Step 2: Convert to fraction form
    169,540.64/234,008.56 = 97,962.24/x
  3. Step 3: Cross multiply
    169,540.64x = 234,008.56 × 97,962.24
  4. Step 4: Simplify right side
    169,540.64x = 22,924,002,716.77
  5. Step 5: Solve for x
    x = 22,924,002,716.77/169,540.64
  6. Step 6: Final answer
    x = 135,212.43

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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.