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Finding the Fourth Proportional to 95,603.88, 131,941.80 and 53,170.68

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Solution

The fourth proportional to 95,603.88, 131,941.80 and 53,170.68 is: 73,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,603.88 : 131,941.80 = 53,170.68 : x
  2. Step 2: Convert to fraction form
    95,603.88/131,941.80 = 53,170.68/x
  3. Step 3: Cross multiply
    95,603.88x = 131,941.80 × 53,170.68
  4. Step 4: Simplify right side
    95,603.88x = 7,015,435,226.42
  5. Step 5: Solve for x
    x = 7,015,435,226.42/95,603.88
  6. Step 6: Final answer
    x = 73,380.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.