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Finding the Fourth Proportional to 221,966.44, 333,033.49 and 133,281.56

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Solution

The fourth proportional to 221,966.44, 333,033.49 and 133,281.56 is: 199,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,966.44 : 333,033.49 = 133,281.56 : x
  2. Step 2: Convert to fraction form
    221,966.44/333,033.49 = 133,281.56/x
  3. Step 3: Cross multiply
    221,966.44x = 333,033.49 × 133,281.56
  4. Step 4: Simplify right side
    221,966.44x = 44,387,223,079.44
  5. Step 5: Solve for x
    x = 44,387,223,079.44/221,966.44
  6. Step 6: Final answer
    x = 199,972.68

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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.