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Finding the Fourth Proportional to 277,959.37, 416,934.96 and 88,431.21

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Solution

The fourth proportional to 277,959.37, 416,934.96 and 88,431.21 is: 132,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,959.37 : 416,934.96 = 88,431.21 : x
  2. Step 2: Convert to fraction form
    277,959.37/416,934.96 = 88,431.21/x
  3. Step 3: Cross multiply
    277,959.37x = 416,934.96 × 88,431.21
  4. Step 4: Simplify right side
    277,959.37x = 36,870,063,004.10
  5. Step 5: Solve for x
    x = 36,870,063,004.10/277,959.37
  6. Step 6: Final answer
    x = 132,645.51

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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.