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Finding the Fourth Proportional to 95,591.60, 143,257.80 and 63,911.60

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Solution

The fourth proportional to 95,591.60, 143,257.80 and 63,911.60 is: 95,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,591.60 : 143,257.80 = 63,911.60 : x
  2. Step 2: Convert to fraction form
    95,591.60/143,257.80 = 63,911.60/x
  3. Step 3: Cross multiply
    95,591.60x = 143,257.80 × 63,911.60
  4. Step 4: Simplify right side
    95,591.60x = 9,155,835,210.48
  5. Step 5: Solve for x
    x = 9,155,835,210.48/95,591.60
  6. Step 6: Final answer
    x = 95,780.75

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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.