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Finding the Fourth Proportional to 146,076.60, 219,345.30 and 83,868.60

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Solution

The fourth proportional to 146,076.60, 219,345.30 and 83,868.60 is: 125,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,076.60 : 219,345.30 = 83,868.60 : x
  2. Step 2: Convert to fraction form
    146,076.60/219,345.30 = 83,868.60/x
  3. Step 3: Cross multiply
    146,076.60x = 219,345.30 × 83,868.60
  4. Step 4: Simplify right side
    146,076.60x = 18,396,183,227.58
  5. Step 5: Solve for x
    x = 18,396,183,227.58/146,076.60
  6. Step 6: Final answer
    x = 125,935.18

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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.