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Finding the Fourth Proportional to 216,935.57, 325,278.77 and 115,608.87

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Solution

The fourth proportional to 216,935.57, 325,278.77 and 115,608.87 is: 173,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,935.57 : 325,278.77 = 115,608.87 : x
  2. Step 2: Convert to fraction form
    216,935.57/325,278.77 = 115,608.87/x
  3. Step 3: Cross multiply
    216,935.57x = 325,278.77 × 115,608.87
  4. Step 4: Simplify right side
    216,935.57x = 37,605,111,034.69
  5. Step 5: Solve for x
    x = 37,605,111,034.69/216,935.57
  6. Step 6: Final answer
    x = 173,346.91

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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.