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Finding the Fourth Proportional to 335,077.92, 502,615.86 and 135,396

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Solution

The fourth proportional to 335,077.92, 502,615.86 and 135,396 is: 203,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,077.92 : 502,615.86 = 135,396 : x
  2. Step 2: Convert to fraction form
    335,077.92/502,615.86 = 135,396/x
  3. Step 3: Cross multiply
    335,077.92x = 502,615.86 × 135,396
  4. Step 4: Simplify right side
    335,077.92x = 68,052,176,980.56
  5. Step 5: Solve for x
    x = 68,052,176,980.56/335,077.92
  6. Step 6: Final answer
    x = 203,093.59

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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.