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Finding the Fourth Proportional to 117,375.92, 161,970.36 and 67,073.84

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Solution

The fourth proportional to 117,375.92, 161,970.36 and 67,073.84 is: 92,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.92 : 161,970.36 = 67,073.84 : x
  2. Step 2: Convert to fraction form
    117,375.92/161,970.36 = 67,073.84/x
  3. Step 3: Cross multiply
    117,375.92x = 161,970.36 × 67,073.84
  4. Step 4: Simplify right side
    117,375.92x = 10,863,974,011.38
  5. Step 5: Solve for x
    x = 10,863,974,011.38/117,375.92
  6. Step 6: Final answer
    x = 92,557.09

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1.5x scale

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.