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Finding the Fourth Proportional to 101,469.60, 140,076.88 and 67,534.56

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Solution

The fourth proportional to 101,469.60, 140,076.88 and 67,534.56 is: 93,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,469.60 : 140,076.88 = 67,534.56 : x
  2. Step 2: Convert to fraction form
    101,469.60/140,076.88 = 67,534.56/x
  3. Step 3: Cross multiply
    101,469.60x = 140,076.88 × 67,534.56
  4. Step 4: Simplify right side
    101,469.60x = 9,460,030,456.97
  5. Step 5: Solve for x
    x = 9,460,030,456.97/101,469.60
  6. Step 6: Final answer
    x = 93,230.19

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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.