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Finding the Fourth Proportional to 332,339.76, 498,493.08 and 121,961.16

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Solution

The fourth proportional to 332,339.76, 498,493.08 and 121,961.16 is: 182,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,339.76 : 498,493.08 = 121,961.16 : x
  2. Step 2: Convert to fraction form
    332,339.76/498,493.08 = 121,961.16/x
  3. Step 3: Cross multiply
    332,339.76x = 498,493.08 × 121,961.16
  4. Step 4: Simplify right side
    332,339.76x = 60,796,794,288.77
  5. Step 5: Solve for x
    x = 60,796,794,288.77/332,339.76
  6. Step 6: Final answer
    x = 182,935.66

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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.