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Finding the Fourth Proportional to 95,991.60, 143,803.80 and 51,603.60

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Solution

The fourth proportional to 95,991.60, 143,803.80 and 51,603.60 is: 77,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,991.60 : 143,803.80 = 51,603.60 : x
  2. Step 2: Convert to fraction form
    95,991.60/143,803.80 = 51,603.60/x
  3. Step 3: Cross multiply
    95,991.60x = 143,803.80 × 51,603.60
  4. Step 4: Simplify right side
    95,991.60x = 7,420,793,773.68
  5. Step 5: Solve for x
    x = 7,420,793,773.68/95,991.60
  6. Step 6: Final answer
    x = 77,306.70

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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.