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Finding the Fourth Proportional to 323,751.06, 485,330.76 and 113,274.18

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Solution

The fourth proportional to 323,751.06, 485,330.76 and 113,274.18 is: 169,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,751.06 : 485,330.76 = 113,274.18 : x
  2. Step 2: Convert to fraction form
    323,751.06/485,330.76 = 113,274.18/x
  3. Step 3: Cross multiply
    323,751.06x = 485,330.76 × 113,274.18
  4. Step 4: Simplify right side
    323,751.06x = 54,975,443,867.78
  5. Step 5: Solve for x
    x = 54,975,443,867.78/323,751.06
  6. Step 6: Final answer
    x = 169,807.76

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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.