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Finding the Fourth Proportional to 74,493.85, 111,738.28 and 32,373.93

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Solution

The fourth proportional to 74,493.85, 111,738.28 and 32,373.93 is: 48,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.85 : 111,738.28 = 32,373.93 : x
  2. Step 2: Convert to fraction form
    74,493.85/111,738.28 = 32,373.93/x
  3. Step 3: Cross multiply
    74,493.85x = 111,738.28 × 32,373.93
  4. Step 4: Simplify right side
    74,493.85x = 3,617,407,255.04
  5. Step 5: Solve for x
    x = 3,617,407,255.04/74,493.85
  6. Step 6: Final answer
    x = 48,559.81

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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.