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Finding the Fourth Proportional to 123,626.25, 185,422.77 and 34,886.88

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Solution

The fourth proportional to 123,626.25, 185,422.77 and 34,886.88 is: 52,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626.25 : 185,422.77 = 34,886.88 : x
  2. Step 2: Convert to fraction form
    123,626.25/185,422.77 = 34,886.88/x
  3. Step 3: Cross multiply
    123,626.25x = 185,422.77 × 34,886.88
  4. Step 4: Simplify right side
    123,626.25x = 6,468,821,926.26
  5. Step 5: Solve for x
    x = 6,468,821,926.26/123,626.25
  6. Step 6: Final answer
    x = 52,325.63

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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.