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Finding the Fourth Proportional to 335,069.43, 502,853.33 and 135,391.53

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Solution

The fourth proportional to 335,069.43, 502,853.33 and 135,391.53 is: 203,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,069.43 : 502,853.33 = 135,391.53 : x
  2. Step 2: Convert to fraction form
    335,069.43/502,853.33 = 135,391.53/x
  3. Step 3: Cross multiply
    335,069.43x = 502,853.33 × 135,391.53
  4. Step 4: Simplify right side
    335,069.43x = 68,082,081,714.29
  5. Step 5: Solve for x
    x = 68,082,081,714.29/335,069.43
  6. Step 6: Final answer
    x = 203,187.98

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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.