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Finding the Fourth Proportional to 194,158, 267,944.52 and 118,691.92

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Solution

The fourth proportional to 194,158, 267,944.52 and 118,691.92 is: 163,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,158 : 267,944.52 = 118,691.92 : x
  2. Step 2: Convert to fraction form
    194,158/267,944.52 = 118,691.92/x
  3. Step 3: Cross multiply
    194,158x = 267,944.52 × 118,691.92
  4. Step 4: Simplify right side
    194,158x = 31,802,849,532.28
  5. Step 5: Solve for x
    x = 31,802,849,532.28/194,158
  6. Step 6: Final answer
    x = 163,798.81

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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.