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Finding the Fourth Proportional to 67,885.22, 101,794.95 and 39,814.47

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Solution

The fourth proportional to 67,885.22, 101,794.95 and 39,814.47 is: 59,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,885.22 : 101,794.95 = 39,814.47 : x
  2. Step 2: Convert to fraction form
    67,885.22/101,794.95 = 39,814.47/x
  3. Step 3: Cross multiply
    67,885.22x = 101,794.95 × 39,814.47
  4. Step 4: Simplify right side
    67,885.22x = 4,052,911,982.93
  5. Step 5: Solve for x
    x = 4,052,911,982.93/67,885.22
  6. Step 6: Final answer
    x = 59,702.42

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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.