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Finding the Fourth Proportional to 223,661.70, 335,273.85 and 200,042.10

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Solution

The fourth proportional to 223,661.70, 335,273.85 and 200,042.10 is: 299,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,661.70 : 335,273.85 = 200,042.10 : x
  2. Step 2: Convert to fraction form
    223,661.70/335,273.85 = 200,042.10/x
  3. Step 3: Cross multiply
    223,661.70x = 335,273.85 × 200,042.10
  4. Step 4: Simplify right side
    223,661.70x = 67,068,885,029.09
  5. Step 5: Solve for x
    x = 67,068,885,029.09/223,661.70
  6. Step 6: Final answer
    x = 299,867.55

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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.