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Finding the Fourth Proportional to 219,985.20, 329,200.20 and 150,001.20

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Solution

The fourth proportional to 219,985.20, 329,200.20 and 150,001.20 is: 224,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,985.20 : 329,200.20 = 150,001.20 : x
  2. Step 2: Convert to fraction form
    219,985.20/329,200.20 = 150,001.20/x
  3. Step 3: Cross multiply
    219,985.20x = 329,200.20 × 150,001.20
  4. Step 4: Simplify right side
    219,985.20x = 49,380,425,040.24
  5. Step 5: Solve for x
    x = 49,380,425,040.24/219,985.20
  6. Step 6: Final answer
    x = 224,471.58

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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.