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Finding the Fourth Proportional to 70,881.03, 106,302.11 and 26,493.03

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Solution

The fourth proportional to 70,881.03, 106,302.11 and 26,493.03 is: 39,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,881.03 : 106,302.11 = 26,493.03 : x
  2. Step 2: Convert to fraction form
    70,881.03/106,302.11 = 26,493.03/x
  3. Step 3: Cross multiply
    70,881.03x = 106,302.11 × 26,493.03
  4. Step 4: Simplify right side
    70,881.03x = 2,816,264,856.83
  5. Step 5: Solve for x
    x = 2,816,264,856.83/70,881.03
  6. Step 6: Final answer
    x = 39,732.28

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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.