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Finding the Fourth Proportional to 323,913.98, 485,870.97 and 166,041.74

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Solution

The fourth proportional to 323,913.98, 485,870.97 and 166,041.74 is: 249,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,913.98 : 485,870.97 = 166,041.74 : x
  2. Step 2: Convert to fraction form
    323,913.98/485,870.97 = 166,041.74/x
  3. Step 3: Cross multiply
    323,913.98x = 485,870.97 × 166,041.74
  4. Step 4: Simplify right side
    323,913.98x = 80,674,861,274.29
  5. Step 5: Solve for x
    x = 80,674,861,274.29/323,913.98
  6. Step 6: Final answer
    x = 249,062.61

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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.