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Finding the Fourth Proportional to 167,115.01, 230,648.19 and 99,169.45

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Solution

The fourth proportional to 167,115.01, 230,648.19 and 99,169.45 is: 136,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,115.01 : 230,648.19 = 99,169.45 : x
  2. Step 2: Convert to fraction form
    167,115.01/230,648.19 = 99,169.45/x
  3. Step 3: Cross multiply
    167,115.01x = 230,648.19 × 99,169.45
  4. Step 4: Simplify right side
    167,115.01x = 22,873,252,992.55
  5. Step 5: Solve for x
    x = 22,873,252,992.55/167,115.01
  6. Step 6: Final answer
    x = 136,871.33

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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.