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Finding the Fourth Proportional to 88,122.60, 132,183.90 and 70,626.60

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Solution

The fourth proportional to 88,122.60, 132,183.90 and 70,626.60 is: 105,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.60 : 132,183.90 = 70,626.60 : x
  2. Step 2: Convert to fraction form
    88,122.60/132,183.90 = 70,626.60/x
  3. Step 3: Cross multiply
    88,122.60x = 132,183.90 × 70,626.60
  4. Step 4: Simplify right side
    88,122.60x = 9,335,699,431.74
  5. Step 5: Solve for x
    x = 9,335,699,431.74/88,122.60
  6. Step 6: Final answer
    x = 105,939.90

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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.