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Finding the Fourth Proportional to 219,952.20, 329,150.70 and 149,968.20

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Solution

The fourth proportional to 219,952.20, 329,150.70 and 149,968.20 is: 224,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,952.20 : 329,150.70 = 149,968.20 : x
  2. Step 2: Convert to fraction form
    219,952.20/329,150.70 = 149,968.20/x
  3. Step 3: Cross multiply
    219,952.20x = 329,150.70 × 149,968.20
  4. Step 4: Simplify right side
    219,952.20x = 49,362,138,007.74
  5. Step 5: Solve for x
    x = 49,362,138,007.74/219,952.20
  6. Step 6: Final answer
    x = 224,422.12

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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.