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Finding the Fourth Proportional to 125,239.44, 187,866.66 and 41,008.48

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Solution

The fourth proportional to 125,239.44, 187,866.66 and 41,008.48 is: 61,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,239.44 : 187,866.66 = 41,008.48 : x
  2. Step 2: Convert to fraction form
    125,239.44/187,866.66 = 41,008.48/x
  3. Step 3: Cross multiply
    125,239.44x = 187,866.66 × 41,008.48
  4. Step 4: Simplify right side
    125,239.44x = 7,704,126,169.28
  5. Step 5: Solve for x
    x = 7,704,126,169.28/125,239.44
  6. Step 6: Final answer
    x = 61,515.18

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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.