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Finding the Fourth Proportional to 222,132.80, 333,417.90 and 109,939.70

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Solution

The fourth proportional to 222,132.80, 333,417.90 and 109,939.70 is: 165,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,132.80 : 333,417.90 = 109,939.70 : x
  2. Step 2: Convert to fraction form
    222,132.80/333,417.90 = 109,939.70/x
  3. Step 3: Cross multiply
    222,132.80x = 333,417.90 × 109,939.70
  4. Step 4: Simplify right side
    222,132.80x = 36,655,863,900.63
  5. Step 5: Solve for x
    x = 36,655,863,900.63/222,132.80
  6. Step 6: Final answer
    x = 165,017.79

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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.