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Finding the Fourth Proportional to 99,353.44, 137,104.96 and 54,641.44

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Solution

The fourth proportional to 99,353.44, 137,104.96 and 54,641.44 is: 75,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,353.44 : 137,104.96 = 54,641.44 : x
  2. Step 2: Convert to fraction form
    99,353.44/137,104.96 = 54,641.44/x
  3. Step 3: Cross multiply
    99,353.44x = 137,104.96 × 54,641.44
  4. Step 4: Simplify right side
    99,353.44x = 7,491,612,445.54
  5. Step 5: Solve for x
    x = 7,491,612,445.54/99,353.44
  6. Step 6: Final answer
    x = 75,403.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.