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Finding the Fourth Proportional to 70,967.96, 106,469.04 and 26,595.11

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Solution

The fourth proportional to 70,967.96, 106,469.04 and 26,595.11 is: 39,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,967.96 : 106,469.04 = 26,595.11 : x
  2. Step 2: Convert to fraction form
    70,967.96/106,469.04 = 26,595.11/x
  3. Step 3: Cross multiply
    70,967.96x = 106,469.04 × 26,595.11
  4. Step 4: Simplify right side
    70,967.96x = 2,831,555,298.05
  5. Step 5: Solve for x
    x = 2,831,555,298.05/70,967.96
  6. Step 6: Final answer
    x = 39,899.07

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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.