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Finding the Fourth Proportional to 146,229.20, 205,135.60 and 146,229.20

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Solution

The fourth proportional to 146,229.20, 205,135.60 and 146,229.20 is: 205,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,229.20 : 205,135.60 = 146,229.20 : x
  2. Step 2: Convert to fraction form
    146,229.20/205,135.60 = 146,229.20/x
  3. Step 3: Cross multiply
    146,229.20x = 205,135.60 × 146,229.20
  4. Step 4: Simplify right side
    146,229.20x = 29,996,814,679.52
  5. Step 5: Solve for x
    x = 29,996,814,679.52/146,229.20
  6. Step 6: Final answer
    x = 205,135.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.