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Finding the Fourth Proportional to 120,696.42, 181,044.79 and 41,810.65

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Solution

The fourth proportional to 120,696.42, 181,044.79 and 41,810.65 is: 62,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,696.42 : 181,044.79 = 41,810.65 : x
  2. Step 2: Convert to fraction form
    120,696.42/181,044.79 = 41,810.65/x
  3. Step 3: Cross multiply
    120,696.42x = 181,044.79 × 41,810.65
  4. Step 4: Simplify right side
    120,696.42x = 7,569,599,791.87
  5. Step 5: Solve for x
    x = 7,569,599,791.87/120,696.42
  6. Step 6: Final answer
    x = 62,716.02

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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.