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Finding the Fourth Proportional to 185,910.88, 278,743.04 and 67,568.16

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Solution

The fourth proportional to 185,910.88, 278,743.04 and 67,568.16 is: 101,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910.88 : 278,743.04 = 67,568.16 : x
  2. Step 2: Convert to fraction form
    185,910.88/278,743.04 = 67,568.16/x
  3. Step 3: Cross multiply
    185,910.88x = 278,743.04 × 67,568.16
  4. Step 4: Simplify right side
    185,910.88x = 18,834,154,325.61
  5. Step 5: Solve for x
    x = 18,834,154,325.61/185,910.88
  6. Step 6: Final answer
    x = 101,307.43

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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.