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Finding the Fourth Proportional to 79,953.88, 110,335.62 and 44,143.12

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Solution

The fourth proportional to 79,953.88, 110,335.62 and 44,143.12 is: 60,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,953.88 : 110,335.62 = 44,143.12 : x
  2. Step 2: Convert to fraction form
    79,953.88/110,335.62 = 44,143.12/x
  3. Step 3: Cross multiply
    79,953.88x = 110,335.62 × 44,143.12
  4. Step 4: Simplify right side
    79,953.88x = 4,870,558,513.93
  5. Step 5: Solve for x
    x = 4,870,558,513.93/79,953.88
  6. Step 6: Final answer
    x = 60,917.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.