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Finding the Fourth Proportional to 125,012.69, 187,538.52 and 41,887.25

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Solution

The fourth proportional to 125,012.69, 187,538.52 and 41,887.25 is: 62,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.69 : 187,538.52 = 41,887.25 : x
  2. Step 2: Convert to fraction form
    125,012.69/187,538.52 = 41,887.25/x
  3. Step 3: Cross multiply
    125,012.69x = 187,538.52 × 41,887.25
  4. Step 4: Simplify right side
    125,012.69x = 7,855,472,871.87
  5. Step 5: Solve for x
    x = 7,855,472,871.87/125,012.69
  6. Step 6: Final answer
    x = 62,837.40

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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.