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Finding the Fourth Proportional to 167,239.16, 230,714.70 and 99,259.00

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Solution

The fourth proportional to 167,239.16, 230,714.70 and 99,259.00 is: 136,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,239.16 : 230,714.70 = 99,259.00 : x
  2. Step 2: Convert to fraction form
    167,239.16/230,714.70 = 99,259.00/x
  3. Step 3: Cross multiply
    167,239.16x = 230,714.70 × 99,259.00
  4. Step 4: Simplify right side
    167,239.16x = 22,900,511,593.56
  5. Step 5: Solve for x
    x = 22,900,511,593.56/167,239.16
  6. Step 6: Final answer
    x = 136,932.71

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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.