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Finding the Fourth Proportional to 223,664.70, 335,278.35 and 200,045.10

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Solution

The fourth proportional to 223,664.70, 335,278.35 and 200,045.10 is: 299,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,664.70 : 335,278.35 = 200,045.10 : x
  2. Step 2: Convert to fraction form
    223,664.70/335,278.35 = 200,045.10/x
  3. Step 3: Cross multiply
    223,664.70x = 335,278.35 × 200,045.10
  4. Step 4: Simplify right side
    223,664.70x = 67,070,791,053.59
  5. Step 5: Solve for x
    x = 67,070,791,053.59/223,664.70
  6. Step 6: Final answer
    x = 299,872.05

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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.