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Finding the Fourth Proportional to 166,798.43, 250,329.13 and 61,647.47

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Solution

The fourth proportional to 166,798.43, 250,329.13 and 61,647.47 is: 92,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,798.43 : 250,329.13 = 61,647.47 : x
  2. Step 2: Convert to fraction form
    166,798.43/250,329.13 = 61,647.47/x
  3. Step 3: Cross multiply
    166,798.43x = 250,329.13 × 61,647.47
  4. Step 4: Simplify right side
    166,798.43x = 15,432,156,126.04
  5. Step 5: Solve for x
    x = 15,432,156,126.04/166,798.43
  6. Step 6: Final answer
    x = 92,519.80

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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.