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Finding the Fourth Proportional to 323,141.13, 445,926.78 and 179,898.03

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Solution

The fourth proportional to 323,141.13, 445,926.78 and 179,898.03 is: 248,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,141.13 : 445,926.78 = 179,898.03 : x
  2. Step 2: Convert to fraction form
    323,141.13/445,926.78 = 179,898.03/x
  3. Step 3: Cross multiply
    323,141.13x = 445,926.78 × 179,898.03
  4. Step 4: Simplify right side
    323,141.13x = 80,221,349,246.24
  5. Step 5: Solve for x
    x = 80,221,349,246.24/323,141.13
  6. Step 6: Final answer
    x = 248,254.84

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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.