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Finding the Fourth Proportional to 146,141.80, 219,212.70 and 119,876.20

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Solution

The fourth proportional to 146,141.80, 219,212.70 and 119,876.20 is: 179,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,141.80 : 219,212.70 = 119,876.20 : x
  2. Step 2: Convert to fraction form
    146,141.80/219,212.70 = 119,876.20/x
  3. Step 3: Cross multiply
    146,141.80x = 219,212.70 × 119,876.20
  4. Step 4: Simplify right side
    146,141.80x = 26,278,385,467.74
  5. Step 5: Solve for x
    x = 26,278,385,467.74/146,141.80
  6. Step 6: Final answer
    x = 179,814.30

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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.