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Finding the Fourth Proportional to 124,673.75, 186,885.91 and 44,689.96

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Solution

The fourth proportional to 124,673.75, 186,885.91 and 44,689.96 is: 66,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,673.75 : 186,885.91 = 44,689.96 : x
  2. Step 2: Convert to fraction form
    124,673.75/186,885.91 = 44,689.96/x
  3. Step 3: Cross multiply
    124,673.75x = 186,885.91 × 44,689.96
  4. Step 4: Simplify right side
    124,673.75x = 8,351,922,684.58
  5. Step 5: Solve for x
    x = 8,351,922,684.58/124,673.75
  6. Step 6: Final answer
    x = 66,990.23

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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.