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Finding the Fourth Proportional to 73,616.88, 110,345.94 and 36,133.32

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Solution

The fourth proportional to 73,616.88, 110,345.94 and 36,133.32 is: 54,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,616.88 : 110,345.94 = 36,133.32 : x
  2. Step 2: Convert to fraction form
    73,616.88/110,345.94 = 36,133.32/x
  3. Step 3: Cross multiply
    73,616.88x = 110,345.94 × 36,133.32
  4. Step 4: Simplify right side
    73,616.88x = 3,987,165,160.72
  5. Step 5: Solve for x
    x = 3,987,165,160.72/73,616.88
  6. Step 6: Final answer
    x = 54,161.02

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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.