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Finding the Fourth Proportional to 147,229.60, 220,844.40 and 102,906.40

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Solution

The fourth proportional to 147,229.60, 220,844.40 and 102,906.40 is: 154,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,229.60 : 220,844.40 = 102,906.40 : x
  2. Step 2: Convert to fraction form
    147,229.60/220,844.40 = 102,906.40/x
  3. Step 3: Cross multiply
    147,229.60x = 220,844.40 × 102,906.40
  4. Step 4: Simplify right side
    147,229.60x = 22,726,302,164.16
  5. Step 5: Solve for x
    x = 22,726,302,164.16/147,229.60
  6. Step 6: Final answer
    x = 154,359.60

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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.