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Finding the Fourth Proportional to 335,173.76, 503,124.96 and 135,631.52

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Solution

The fourth proportional to 335,173.76, 503,124.96 and 135,631.52 is: 203,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,173.76 : 503,124.96 = 135,631.52 : x
  2. Step 2: Convert to fraction form
    335,173.76/503,124.96 = 135,631.52/x
  3. Step 3: Cross multiply
    335,173.76x = 503,124.96 × 135,631.52
  4. Step 4: Simplify right side
    335,173.76x = 68,239,603,074.74
  5. Step 5: Solve for x
    x = 68,239,603,074.74/335,173.76
  6. Step 6: Final answer
    x = 203,594.71

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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.