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Finding the Fourth Proportional to 146,001.60, 218,986.20 and 119,660.40

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Solution

The fourth proportional to 146,001.60, 218,986.20 and 119,660.40 is: 179,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,001.60 : 218,986.20 = 119,660.40 : x
  2. Step 2: Convert to fraction form
    146,001.60/218,986.20 = 119,660.40/x
  3. Step 3: Cross multiply
    146,001.60x = 218,986.20 × 119,660.40
  4. Step 4: Simplify right side
    146,001.60x = 26,203,976,286.48
  5. Step 5: Solve for x
    x = 26,203,976,286.48/146,001.60
  6. Step 6: Final answer
    x = 179,477.32

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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.