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Finding the Fourth Proportional to 194,163, 267,951.42 and 118,696.92

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Solution

The fourth proportional to 194,163, 267,951.42 and 118,696.92 is: 163,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,163 : 267,951.42 = 118,696.92 : x
  2. Step 2: Convert to fraction form
    194,163/267,951.42 = 118,696.92/x
  3. Step 3: Cross multiply
    194,163x = 267,951.42 × 118,696.92
  4. Step 4: Simplify right side
    194,163x = 31,805,008,263.63
  5. Step 5: Solve for x
    x = 31,805,008,263.63/194,163
  6. Step 6: Final answer
    x = 163,805.71

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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.