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Finding the Fourth Proportional to 169,486.20, 254,229.30 and 99,502.20

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Solution

The fourth proportional to 169,486.20, 254,229.30 and 99,502.20 is: 149,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.20 : 254,229.30 = 99,502.20 : x
  2. Step 2: Convert to fraction form
    169,486.20/254,229.30 = 99,502.20/x
  3. Step 3: Cross multiply
    169,486.20x = 254,229.30 × 99,502.20
  4. Step 4: Simplify right side
    169,486.20x = 25,296,374,654.46
  5. Step 5: Solve for x
    x = 25,296,374,654.46/169,486.20
  6. Step 6: Final answer
    x = 149,253.30

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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.