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Finding the Fourth Proportional to 146,210.80, 219,316.20 and 111,218.80

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Solution

The fourth proportional to 146,210.80, 219,316.20 and 111,218.80 is: 166,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.80 : 219,316.20 = 111,218.80 : x
  2. Step 2: Convert to fraction form
    146,210.80/219,316.20 = 111,218.80/x
  3. Step 3: Cross multiply
    146,210.80x = 219,316.20 × 111,218.80
  4. Step 4: Simplify right side
    146,210.80x = 24,392,084,584.56
  5. Step 5: Solve for x
    x = 24,392,084,584.56/146,210.80
  6. Step 6: Final answer
    x = 166,828.20

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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.