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Finding the Fourth Proportional to 74,991.88, 112,529.33 and 44,932.24

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Solution

The fourth proportional to 74,991.88, 112,529.33 and 44,932.24 is: 67,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.88 : 112,529.33 = 44,932.24 : x
  2. Step 2: Convert to fraction form
    74,991.88/112,529.33 = 44,932.24/x
  3. Step 3: Cross multiply
    74,991.88x = 112,529.33 × 44,932.24
  4. Step 4: Simplify right side
    74,991.88x = 5,056,194,862.60
  5. Step 5: Solve for x
    x = 5,056,194,862.60/74,991.88
  6. Step 6: Final answer
    x = 67,423.23

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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.