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Finding the Fourth Proportional to 67,268.60, 100,830.90 and 22,854.20

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Solution

The fourth proportional to 67,268.60, 100,830.90 and 22,854.20 is: 34,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.60 : 100,830.90 = 22,854.20 : x
  2. Step 2: Convert to fraction form
    67,268.60/100,830.90 = 22,854.20/x
  3. Step 3: Cross multiply
    67,268.60x = 100,830.90 × 22,854.20
  4. Step 4: Simplify right side
    67,268.60x = 2,304,409,554.78
  5. Step 5: Solve for x
    x = 2,304,409,554.78/67,268.60
  6. Step 6: Final answer
    x = 34,256.84

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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.