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Finding the Fourth Proportional to 75,327.79, 112,758.38 and 44,223.79

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Solution

The fourth proportional to 75,327.79, 112,758.38 and 44,223.79 is: 66,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.79 : 112,758.38 = 44,223.79 : x
  2. Step 2: Convert to fraction form
    75,327.79/112,758.38 = 44,223.79/x
  3. Step 3: Cross multiply
    75,327.79x = 112,758.38 × 44,223.79
  4. Step 4: Simplify right side
    75,327.79x = 4,986,602,917.86
  5. Step 5: Solve for x
    x = 4,986,602,917.86/75,327.79
  6. Step 6: Final answer
    x = 66,198.72

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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.