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Finding the Fourth Proportional to 70,998.12, 106,466.11 and 26,593.74

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Solution

The fourth proportional to 70,998.12, 106,466.11 and 26,593.74 is: 39,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,998.12 : 106,466.11 = 26,593.74 : x
  2. Step 2: Convert to fraction form
    70,998.12/106,466.11 = 26,593.74/x
  3. Step 3: Cross multiply
    70,998.12x = 106,466.11 × 26,593.74
  4. Step 4: Simplify right side
    70,998.12x = 2,831,331,981.67
  5. Step 5: Solve for x
    x = 2,831,331,981.67/70,998.12
  6. Step 6: Final answer
    x = 39,878.97

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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.