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Finding the Fourth Proportional to 123,751.17, 185,629.96 and 39,511.26

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Solution

The fourth proportional to 123,751.17, 185,629.96 and 39,511.26 is: 59,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,751.17 : 185,629.96 = 39,511.26 : x
  2. Step 2: Convert to fraction form
    123,751.17/185,629.96 = 39,511.26/x
  3. Step 3: Cross multiply
    123,751.17x = 185,629.96 × 39,511.26
  4. Step 4: Simplify right side
    123,751.17x = 7,334,473,613.35
  5. Step 5: Solve for x
    x = 7,334,473,613.35/123,751.17
  6. Step 6: Final answer
    x = 59,267.91

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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.