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Finding the Fourth Proportional to 315,401.01, 473,108.20 and 113,010.30

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Solution

The fourth proportional to 315,401.01, 473,108.20 and 113,010.30 is: 169,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,401.01 : 473,108.20 = 113,010.30 : x
  2. Step 2: Convert to fraction form
    315,401.01/473,108.20 = 113,010.30/x
  3. Step 3: Cross multiply
    315,401.01x = 473,108.20 × 113,010.30
  4. Step 4: Simplify right side
    315,401.01x = 53,466,100,791.85
  5. Step 5: Solve for x
    x = 53,466,100,791.85/315,401.01
  6. Step 6: Final answer
    x = 169,517.85

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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.