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Finding the Fourth Proportional to 222,507.20, 333,760.80 and 148,116.80

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Solution

The fourth proportional to 222,507.20, 333,760.80 and 148,116.80 is: 222,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,507.20 : 333,760.80 = 148,116.80 : x
  2. Step 2: Convert to fraction form
    222,507.20/333,760.80 = 148,116.80/x
  3. Step 3: Cross multiply
    222,507.20x = 333,760.80 × 148,116.80
  4. Step 4: Simplify right side
    222,507.20x = 49,435,581,661.44
  5. Step 5: Solve for x
    x = 49,435,581,661.44/222,507.20
  6. Step 6: Final answer
    x = 222,175.20

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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.