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Finding the Fourth Proportional to 67,497.75, 101,191.95 and 28,084.37

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Solution

The fourth proportional to 67,497.75, 101,191.95 and 28,084.37 is: 42,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.75 : 101,191.95 = 28,084.37 : x
  2. Step 2: Convert to fraction form
    67,497.75/101,191.95 = 28,084.37/x
  3. Step 3: Cross multiply
    67,497.75x = 101,191.95 × 28,084.37
  4. Step 4: Simplify right side
    67,497.75x = 2,841,911,658.86
  5. Step 5: Solve for x
    x = 2,841,911,658.86/67,497.75
  6. Step 6: Final answer
    x = 42,103.80

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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.