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Finding the Fourth Proportional to 79,801.66, 110,127.06 and 43,992.95

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Solution

The fourth proportional to 79,801.66, 110,127.06 and 43,992.95 is: 60,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.66 : 110,127.06 = 43,992.95 : x
  2. Step 2: Convert to fraction form
    79,801.66/110,127.06 = 43,992.95/x
  3. Step 3: Cross multiply
    79,801.66x = 110,127.06 × 43,992.95
  4. Step 4: Simplify right side
    79,801.66x = 4,844,814,024.26
  5. Step 5: Solve for x
    x = 4,844,814,024.26/79,801.66
  6. Step 6: Final answer
    x = 60,710.70

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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.