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Finding the Fourth Proportional to 329,832.92, 455,169.30 and 178,929.92

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Solution

The fourth proportional to 329,832.92, 455,169.30 and 178,929.92 is: 246,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,832.92 : 455,169.30 = 178,929.92 : x
  2. Step 2: Convert to fraction form
    329,832.92/455,169.30 = 178,929.92/x
  3. Step 3: Cross multiply
    329,832.92x = 455,169.30 × 178,929.92
  4. Step 4: Simplify right side
    329,832.92x = 81,443,406,435.46
  5. Step 5: Solve for x
    x = 81,443,406,435.46/329,832.92
  6. Step 6: Final answer
    x = 246,923.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.