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Finding the Fourth Proportional to 125,579.22, 188,347.88 and 41,340.30

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Solution

The fourth proportional to 125,579.22, 188,347.88 and 41,340.30 is: 62,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.22 : 188,347.88 = 41,340.30 : x
  2. Step 2: Convert to fraction form
    125,579.22/188,347.88 = 41,340.30/x
  3. Step 3: Cross multiply
    125,579.22x = 188,347.88 × 41,340.30
  4. Step 4: Simplify right side
    125,579.22x = 7,786,357,863.56
  5. Step 5: Solve for x
    x = 7,786,357,863.56/125,579.22
  6. Step 6: Final answer
    x = 62,003.55

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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.