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Finding the Fourth Proportional to 95,781.64, 143,524.76 and 60,647.48

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Solution

The fourth proportional to 95,781.64, 143,524.76 and 60,647.48 is: 90,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,781.64 : 143,524.76 = 60,647.48 : x
  2. Step 2: Convert to fraction form
    95,781.64/143,524.76 = 60,647.48/x
  3. Step 3: Cross multiply
    95,781.64x = 143,524.76 × 60,647.48
  4. Step 4: Simplify right side
    95,781.64x = 8,704,415,677.43
  5. Step 5: Solve for x
    x = 8,704,415,677.43/95,781.64
  6. Step 6: Final answer
    x = 90,877.71

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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.