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Finding the Fourth Proportional to 167,356.88, 230,894.73 and 106,962.87

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Solution

The fourth proportional to 167,356.88, 230,894.73 and 106,962.87 is: 147,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,356.88 : 230,894.73 = 106,962.87 : x
  2. Step 2: Convert to fraction form
    167,356.88/230,894.73 = 106,962.87/x
  3. Step 3: Cross multiply
    167,356.88x = 230,894.73 × 106,962.87
  4. Step 4: Simplify right side
    167,356.88x = 24,697,162,988.68
  5. Step 5: Solve for x
    x = 24,697,162,988.68/167,356.88
  6. Step 6: Final answer
    x = 147,571.85

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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.