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Finding the Fourth Proportional to 67,888.53, 101,841.74 and 25,188.15

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Solution

The fourth proportional to 67,888.53, 101,841.74 and 25,188.15 is: 37,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.53 : 101,841.74 = 25,188.15 : x
  2. Step 2: Convert to fraction form
    67,888.53/101,841.74 = 25,188.15/x
  3. Step 3: Cross multiply
    67,888.53x = 101,841.74 × 25,188.15
  4. Step 4: Simplify right side
    67,888.53x = 2,565,204,897.44
  5. Step 5: Solve for x
    x = 2,565,204,897.44/67,888.53
  6. Step 6: Final answer
    x = 37,785.54

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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.