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Finding the Fourth Proportional to 101,883.60, 152,524.08 and 75,704.40

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Solution

The fourth proportional to 101,883.60, 152,524.08 and 75,704.40 is: 113,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,883.60 : 152,524.08 = 75,704.40 : x
  2. Step 2: Convert to fraction form
    101,883.60/152,524.08 = 75,704.40/x
  3. Step 3: Cross multiply
    101,883.60x = 152,524.08 × 75,704.40
  4. Step 4: Simplify right side
    101,883.60x = 11,546,743,961.95
  5. Step 5: Solve for x
    x = 11,546,743,961.95/101,883.60
  6. Step 6: Final answer
    x = 113,332.70

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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.