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Finding the Fourth Proportional to 146,216.60, 219,324.90 and 144,834.20

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Solution

The fourth proportional to 146,216.60, 219,324.90 and 144,834.20 is: 217,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,216.60 : 219,324.90 = 144,834.20 : x
  2. Step 2: Convert to fraction form
    146,216.60/219,324.90 = 144,834.20/x
  3. Step 3: Cross multiply
    146,216.60x = 219,324.90 × 144,834.20
  4. Step 4: Simplify right side
    146,216.60x = 31,765,746,431.58
  5. Step 5: Solve for x
    x = 31,765,746,431.58/146,216.60
  6. Step 6: Final answer
    x = 217,251.30

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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.