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Finding the Fourth Proportional to 335,176.76, 503,129.46 and 135,634.52

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Solution

The fourth proportional to 335,176.76, 503,129.46 and 135,634.52 is: 203,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,176.76 : 503,129.46 = 135,634.52 : x
  2. Step 2: Convert to fraction form
    335,176.76/503,129.46 = 135,634.52/x
  3. Step 3: Cross multiply
    335,176.76x = 503,129.46 × 135,634.52
  4. Step 4: Simplify right side
    335,176.76x = 68,241,722,804.96
  5. Step 5: Solve for x
    x = 68,241,722,804.96/335,176.76
  6. Step 6: Final answer
    x = 203,599.21

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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.