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Finding the Fourth Proportional to 101,216.10, 151,824.15 and 48,612.90

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Solution

The fourth proportional to 101,216.10, 151,824.15 and 48,612.90 is: 72,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,216.10 : 151,824.15 = 48,612.90 : x
  2. Step 2: Convert to fraction form
    101,216.10/151,824.15 = 48,612.90/x
  3. Step 3: Cross multiply
    101,216.10x = 151,824.15 × 48,612.90
  4. Step 4: Simplify right side
    101,216.10x = 7,380,612,221.54
  5. Step 5: Solve for x
    x = 7,380,612,221.54/101,216.10
  6. Step 6: Final answer
    x = 72,919.35

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Similar ratio
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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.