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Finding the Fourth Proportional to 194,630.73, 291,920.95 and 61,524.42

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Solution

The fourth proportional to 194,630.73, 291,920.95 and 61,524.42 is: 92,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,630.73 : 291,920.95 = 61,524.42 : x
  2. Step 2: Convert to fraction form
    194,630.73/291,920.95 = 61,524.42/x
  3. Step 3: Cross multiply
    194,630.73x = 291,920.95 × 61,524.42
  4. Step 4: Simplify right side
    194,630.73x = 17,960,267,134.60
  5. Step 5: Solve for x
    x = 17,960,267,134.60/194,630.73
  6. Step 6: Final answer
    x = 92,278.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.