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Finding the Fourth Proportional to 124,568.88, 186,928.04 and 45,691.08

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Solution

The fourth proportional to 124,568.88, 186,928.04 and 45,691.08 is: 68,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.88 : 186,928.04 = 45,691.08 : x
  2. Step 2: Convert to fraction form
    124,568.88/186,928.04 = 45,691.08/x
  3. Step 3: Cross multiply
    124,568.88x = 186,928.04 × 45,691.08
  4. Step 4: Simplify right side
    124,568.88x = 8,540,944,029.88
  5. Step 5: Solve for x
    x = 8,540,944,029.88/124,568.88
  6. Step 6: Final answer
    x = 68,564.03

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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.