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Finding the Fourth Proportional to 92,703.13, 138,972.22 and 33,525.64

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Solution

The fourth proportional to 92,703.13, 138,972.22 and 33,525.64 is: 50,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.13 : 138,972.22 = 33,525.64 : x
  2. Step 2: Convert to fraction form
    92,703.13/138,972.22 = 33,525.64/x
  3. Step 3: Cross multiply
    92,703.13x = 138,972.22 × 33,525.64
  4. Step 4: Simplify right side
    92,703.13x = 4,659,132,617.72
  5. Step 5: Solve for x
    x = 4,659,132,617.72/92,703.13
  6. Step 6: Final answer
    x = 50,258.64

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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.