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Finding the Fourth Proportional to 166,294.66, 229,486.56 and 89,813.74

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Solution

The fourth proportional to 166,294.66, 229,486.56 and 89,813.74 is: 123,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,294.66 : 229,486.56 = 89,813.74 : x
  2. Step 2: Convert to fraction form
    166,294.66/229,486.56 = 89,813.74/x
  3. Step 3: Cross multiply
    166,294.66x = 229,486.56 × 89,813.74
  4. Step 4: Simplify right side
    166,294.66x = 20,611,046,233.33
  5. Step 5: Solve for x
    x = 20,611,046,233.33/166,294.66
  6. Step 6: Final answer
    x = 123,942.92

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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.