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Finding the Fourth Proportional to 70,792.38, 106,203.15 and 26,408.43

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Solution

The fourth proportional to 70,792.38, 106,203.15 and 26,408.43 is: 39,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,792.38 : 106,203.15 = 26,408.43 : x
  2. Step 2: Convert to fraction form
    70,792.38/106,203.15 = 26,408.43/x
  3. Step 3: Cross multiply
    70,792.38x = 106,203.15 × 26,408.43
  4. Step 4: Simplify right side
    70,792.38x = 2,804,658,452.55
  5. Step 5: Solve for x
    x = 2,804,658,452.55/70,792.38
  6. Step 6: Final answer
    x = 39,618.08

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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.