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Finding the Fourth Proportional to 67,590.60, 101,391.14 and 20,202.41

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Solution

The fourth proportional to 67,590.60, 101,391.14 and 20,202.41 is: 30,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,590.60 : 101,391.14 = 20,202.41 : x
  2. Step 2: Convert to fraction form
    67,590.60/101,391.14 = 20,202.41/x
  3. Step 3: Cross multiply
    67,590.60x = 101,391.14 × 20,202.41
  4. Step 4: Simplify right side
    67,590.60x = 2,048,345,684.63
  5. Step 5: Solve for x
    x = 2,048,345,684.63/67,590.60
  6. Step 6: Final answer
    x = 30,305.18

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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.