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Finding the Fourth Proportional to 100,906.60, 151,359.90 and 96,068.20

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Solution

The fourth proportional to 100,906.60, 151,359.90 and 96,068.20 is: 144,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,906.60 : 151,359.90 = 96,068.20 : x
  2. Step 2: Convert to fraction form
    100,906.60/151,359.90 = 96,068.20/x
  3. Step 3: Cross multiply
    100,906.60x = 151,359.90 × 96,068.20
  4. Step 4: Simplify right side
    100,906.60x = 14,540,873,145.18
  5. Step 5: Solve for x
    x = 14,540,873,145.18/100,906.60
  6. Step 6: Final answer
    x = 144,102.30

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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.