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Finding the Fourth Proportional to 62,105.04, 85,805.16 and 43,326

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Solution

The fourth proportional to 62,105.04, 85,805.16 and 43,326 is: 59,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105.04 : 85,805.16 = 43,326 : x
  2. Step 2: Convert to fraction form
    62,105.04/85,805.16 = 43,326/x
  3. Step 3: Cross multiply
    62,105.04x = 85,805.16 × 43,326
  4. Step 4: Simplify right side
    62,105.04x = 3,717,594,362.16
  5. Step 5: Solve for x
    x = 3,717,594,362.16/62,105.04
  6. Step 6: Final answer
    x = 59,859.79

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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.