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Finding the Fourth Proportional to 115,326, 159,149.88 and 62,334

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Solution

The fourth proportional to 115,326, 159,149.88 and 62,334 is: 86,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326 : 159,149.88 = 62,334 : x
  2. Step 2: Convert to fraction form
    115,326/159,149.88 = 62,334/x
  3. Step 3: Cross multiply
    115,326x = 159,149.88 × 62,334
  4. Step 4: Simplify right side
    115,326x = 9,920,448,619.92
  5. Step 5: Solve for x
    x = 9,920,448,619.92/115,326
  6. Step 6: Final answer
    x = 86,020.92

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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.