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Finding the Fourth Proportional to 217,497.66, 326,168.01 and 75,304.38

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Solution

The fourth proportional to 217,497.66, 326,168.01 and 75,304.38 is: 112,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,497.66 : 326,168.01 = 75,304.38 : x
  2. Step 2: Convert to fraction form
    217,497.66/326,168.01 = 75,304.38/x
  3. Step 3: Cross multiply
    217,497.66x = 326,168.01 × 75,304.38
  4. Step 4: Simplify right side
    217,497.66x = 24,561,880,866.70
  5. Step 5: Solve for x
    x = 24,561,880,866.70/217,497.66
  6. Step 6: Final answer
    x = 112,929.41

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1.5x scale

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.