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Finding the Fourth Proportional to 95,877.15, 143,651.70 and 60,775.80

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Solution

The fourth proportional to 95,877.15, 143,651.70 and 60,775.80 is: 91,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,877.15 : 143,651.70 = 60,775.80 : x
  2. Step 2: Convert to fraction form
    95,877.15/143,651.70 = 60,775.80/x
  3. Step 3: Cross multiply
    95,877.15x = 143,651.70 × 60,775.80
  4. Step 4: Simplify right side
    95,877.15x = 8,730,546,988.86
  5. Step 5: Solve for x
    x = 8,730,546,988.86/95,877.15
  6. Step 6: Final answer
    x = 91,059.73

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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.