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Finding the Fourth Proportional to 244,086.65, 336,800.71 and 136,661.21

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Solution

The fourth proportional to 244,086.65, 336,800.71 and 136,661.21 is: 188,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,086.65 : 336,800.71 = 136,661.21 : x
  2. Step 2: Convert to fraction form
    244,086.65/336,800.71 = 136,661.21/x
  3. Step 3: Cross multiply
    244,086.65x = 336,800.71 × 136,661.21
  4. Step 4: Simplify right side
    244,086.65x = 46,027,592,557.46
  5. Step 5: Solve for x
    x = 46,027,592,557.46/244,086.65
  6. Step 6: Final answer
    x = 188,570.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.