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Finding the Fourth Proportional to 329,117.52, 454,181.40 and 178,214.52

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Solution

The fourth proportional to 329,117.52, 454,181.40 and 178,214.52 is: 245,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,117.52 : 454,181.40 = 178,214.52 : x
  2. Step 2: Convert to fraction form
    329,117.52/454,181.40 = 178,214.52/x
  3. Step 3: Cross multiply
    329,117.52x = 454,181.40 × 178,214.52
  4. Step 4: Simplify right side
    329,117.52x = 80,941,720,193.93
  5. Step 5: Solve for x
    x = 80,941,720,193.93/329,117.52
  6. Step 6: Final answer
    x = 245,935.62

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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.