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Finding the Fourth Proportional to 73,091.44, 100,867.85 and 42,898.54

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Solution

The fourth proportional to 73,091.44, 100,867.85 and 42,898.54 is: 59,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.44 : 100,867.85 = 42,898.54 : x
  2. Step 2: Convert to fraction form
    73,091.44/100,867.85 = 42,898.54/x
  3. Step 3: Cross multiply
    73,091.44x = 100,867.85 × 42,898.54
  4. Step 4: Simplify right side
    73,091.44x = 4,327,083,283.45
  5. Step 5: Solve for x
    x = 4,327,083,283.45/73,091.44
  6. Step 6: Final answer
    x = 59,200.96

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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.