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Finding the Fourth Proportional to 88,902.60, 133,156.53 and 63,867.53

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Solution

The fourth proportional to 88,902.60, 133,156.53 and 63,867.53 is: 95,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.60 : 133,156.53 = 63,867.53 : x
  2. Step 2: Convert to fraction form
    88,902.60/133,156.53 = 63,867.53/x
  3. Step 3: Cross multiply
    88,902.60x = 133,156.53 × 63,867.53
  4. Step 4: Simplify right side
    88,902.60x = 8,504,378,008.69
  5. Step 5: Solve for x
    x = 8,504,378,008.69/88,902.60
  6. Step 6: Final answer
    x = 95,659.50

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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.