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Finding the Fourth Proportional to 73,228.60, 109,842.90 and 33,862.60

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Solution

The fourth proportional to 73,228.60, 109,842.90 and 33,862.60 is: 50,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,228.60 : 109,842.90 = 33,862.60 : x
  2. Step 2: Convert to fraction form
    73,228.60/109,842.90 = 33,862.60/x
  3. Step 3: Cross multiply
    73,228.60x = 109,842.90 × 33,862.60
  4. Step 4: Simplify right side
    73,228.60x = 3,719,566,185.54
  5. Step 5: Solve for x
    x = 3,719,566,185.54/73,228.60
  6. Step 6: Final answer
    x = 50,793.90

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1.5x scale

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.