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Finding the Fourth Proportional to 67,455.75, 101,188.62 and 25,902.75

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Solution

The fourth proportional to 67,455.75, 101,188.62 and 25,902.75 is: 38,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.75 : 101,188.62 = 25,902.75 : x
  2. Step 2: Convert to fraction form
    67,455.75/101,188.62 = 25,902.75/x
  3. Step 3: Cross multiply
    67,455.75x = 101,188.62 × 25,902.75
  4. Step 4: Simplify right side
    67,455.75x = 2,621,063,526.71
  5. Step 5: Solve for x
    x = 2,621,063,526.71/67,455.75
  6. Step 6: Final answer
    x = 38,856.04

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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.