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Finding the Fourth Proportional to 115,366, 159,205.08 and 62,374

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Solution

The fourth proportional to 115,366, 159,205.08 and 62,374 is: 86,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,366 : 159,205.08 = 62,374 : x
  2. Step 2: Convert to fraction form
    115,366/159,205.08 = 62,374/x
  3. Step 3: Cross multiply
    115,366x = 159,205.08 × 62,374
  4. Step 4: Simplify right side
    115,366x = 9,930,257,659.92
  5. Step 5: Solve for x
    x = 9,930,257,659.92/115,366
  6. Step 6: Final answer
    x = 86,076.12

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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.