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Finding the Fourth Proportional to 294,103.68, 405,753.12 and 173,171.04

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Solution

The fourth proportional to 294,103.68, 405,753.12 and 173,171.04 is: 238,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,103.68 : 405,753.12 = 173,171.04 : x
  2. Step 2: Convert to fraction form
    294,103.68/405,753.12 = 173,171.04/x
  3. Step 3: Cross multiply
    294,103.68x = 405,753.12 × 173,171.04
  4. Step 4: Simplify right side
    294,103.68x = 70,264,689,773.64
  5. Step 5: Solve for x
    x = 70,264,689,773.64/294,103.68
  6. Step 6: Final answer
    x = 238,911.29

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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.