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Finding the Fourth Proportional to 329,134.58, 454,203.12 and 178,231.58

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Solution

The fourth proportional to 329,134.58, 454,203.12 and 178,231.58 is: 245,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,134.58 : 454,203.12 = 178,231.58 : x
  2. Step 2: Convert to fraction form
    329,134.58/454,203.12 = 178,231.58/x
  3. Step 3: Cross multiply
    329,134.58x = 454,203.12 × 178,231.58
  4. Step 4: Simplify right side
    329,134.58x = 80,953,339,718.53
  5. Step 5: Solve for x
    x = 80,953,339,718.53/329,134.58
  6. Step 6: Final answer
    x = 245,958.17

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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.