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Finding the Fourth Proportional to 72,325.13, 108,493.16 and 22,410.26

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Solution

The fourth proportional to 72,325.13, 108,493.16 and 22,410.26 is: 33,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,325.13 : 108,493.16 = 22,410.26 : x
  2. Step 2: Convert to fraction form
    72,325.13/108,493.16 = 22,410.26/x
  3. Step 3: Cross multiply
    72,325.13x = 108,493.16 × 22,410.26
  4. Step 4: Simplify right side
    72,325.13x = 2,431,359,676.15
  5. Step 5: Solve for x
    x = 2,431,359,676.15/72,325.13
  6. Step 6: Final answer
    x = 33,617.08

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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.