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Finding the Fourth Proportional to 67,880.20, 101,779.80 and 41,603.80

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Solution

The fourth proportional to 67,880.20, 101,779.80 and 41,603.80 is: 62,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.20 : 101,779.80 = 41,603.80 : x
  2. Step 2: Convert to fraction form
    67,880.20/101,779.80 = 41,603.80/x
  3. Step 3: Cross multiply
    67,880.20x = 101,779.80 × 41,603.80
  4. Step 4: Simplify right side
    67,880.20x = 4,234,426,443.24
  5. Step 5: Solve for x
    x = 4,234,426,443.24/67,880.20
  6. Step 6: Final answer
    x = 62,380.88

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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.