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Finding the Fourth Proportional to 217,363, 326,073.66 and 92,733.16

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Solution

The fourth proportional to 217,363, 326,073.66 and 92,733.16 is: 139,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,363 : 326,073.66 = 92,733.16 : x
  2. Step 2: Convert to fraction form
    217,363/326,073.66 = 92,733.16/x
  3. Step 3: Cross multiply
    217,363x = 326,073.66 × 92,733.16
  4. Step 4: Simplify right side
    217,363x = 30,237,840,884.57
  5. Step 5: Solve for x
    x = 30,237,840,884.57/217,363
  6. Step 6: Final answer
    x = 139,112.18

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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.