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Finding the Fourth Proportional to 124,675.75, 186,888.90 and 44,691.96

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Solution

The fourth proportional to 124,675.75, 186,888.90 and 44,691.96 is: 66,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,675.75 : 186,888.90 = 44,691.96 : x
  2. Step 2: Convert to fraction form
    124,675.75/186,888.90 = 44,691.96/x
  3. Step 3: Cross multiply
    124,675.75x = 186,888.90 × 44,691.96
  4. Step 4: Simplify right side
    124,675.75x = 8,352,431,243.24
  5. Step 5: Solve for x
    x = 8,352,431,243.24/124,675.75
  6. Step 6: Final answer
    x = 66,993.23

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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.