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Finding the Fourth Proportional to 73,103.93, 109,633.82 and 38,024.45

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Solution

The fourth proportional to 73,103.93, 109,633.82 and 38,024.45 is: 57,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103.93 : 109,633.82 = 38,024.45 : x
  2. Step 2: Convert to fraction form
    73,103.93/109,633.82 = 38,024.45/x
  3. Step 3: Cross multiply
    73,103.93x = 109,633.82 × 38,024.45
  4. Step 4: Simplify right side
    73,103.93x = 4,168,765,706.90
  5. Step 5: Solve for x
    x = 4,168,765,706.90/73,103.93
  6. Step 6: Final answer
    x = 57,025.19

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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.