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Finding the Fourth Proportional to 67,714.40, 101,474.40 and 49,805.30

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Solution

The fourth proportional to 67,714.40, 101,474.40 and 49,805.30 is: 74,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,714.40 : 101,474.40 = 49,805.30 : x
  2. Step 2: Convert to fraction form
    67,714.40/101,474.40 = 49,805.30/x
  3. Step 3: Cross multiply
    67,714.40x = 101,474.40 × 49,805.30
  4. Step 4: Simplify right side
    67,714.40x = 5,053,962,934.32
  5. Step 5: Solve for x
    x = 5,053,962,934.32/67,714.40
  6. Step 6: Final answer
    x = 74,636.46

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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.