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Finding the Fourth Proportional to 150,425.80, 225,638.70 and 141,824.20

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Solution

The fourth proportional to 150,425.80, 225,638.70 and 141,824.20 is: 212,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,425.80 : 225,638.70 = 141,824.20 : x
  2. Step 2: Convert to fraction form
    150,425.80/225,638.70 = 141,824.20/x
  3. Step 3: Cross multiply
    150,425.80x = 225,638.70 × 141,824.20
  4. Step 4: Simplify right side
    150,425.80x = 32,001,028,116.54
  5. Step 5: Solve for x
    x = 32,001,028,116.54/150,425.80
  6. Step 6: Final answer
    x = 212,736.30

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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.