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Finding the Fourth Proportional to 115,195.59, 172,767.46 and 41,323.59

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Solution

The fourth proportional to 115,195.59, 172,767.46 and 41,323.59 is: 61,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,195.59 : 172,767.46 = 41,323.59 : x
  2. Step 2: Convert to fraction form
    115,195.59/172,767.46 = 41,323.59/x
  3. Step 3: Cross multiply
    115,195.59x = 172,767.46 × 41,323.59
  4. Step 4: Simplify right side
    115,195.59x = 7,139,371,682.38
  5. Step 5: Solve for x
    x = 7,139,371,682.38/115,195.59
  6. Step 6: Final answer
    x = 61,976.09

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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.