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Finding the Fourth Proportional to 361,610.44, 542,524.06 and 108,899.15

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Solution

The fourth proportional to 361,610.44, 542,524.06 and 108,899.15 is: 163,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,610.44 : 542,524.06 = 108,899.15 : x
  2. Step 2: Convert to fraction form
    361,610.44/542,524.06 = 108,899.15/x
  3. Step 3: Cross multiply
    361,610.44x = 542,524.06 × 108,899.15
  4. Step 4: Simplify right side
    361,610.44x = 59,080,406,412.05
  5. Step 5: Solve for x
    x = 59,080,406,412.05/361,610.44
  6. Step 6: Final answer
    x = 163,381.36

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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.