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Finding the Fourth Proportional to 146,002.60, 218,987.70 and 119,661.40

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Solution

The fourth proportional to 146,002.60, 218,987.70 and 119,661.40 is: 179,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,002.60 : 218,987.70 = 119,661.40 : x
  2. Step 2: Convert to fraction form
    146,002.60/218,987.70 = 119,661.40/x
  3. Step 3: Cross multiply
    146,002.60x = 218,987.70 × 119,661.40
  4. Step 4: Simplify right side
    146,002.60x = 26,204,374,764.78
  5. Step 5: Solve for x
    x = 26,204,374,764.78/146,002.60
  6. Step 6: Final answer
    x = 179,478.82

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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.