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Finding the Fourth Proportional to 79,767.54, 110,079.18 and 43,957.44

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Solution

The fourth proportional to 79,767.54, 110,079.18 and 43,957.44 is: 60,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.54 : 110,079.18 = 43,957.44 : x
  2. Step 2: Convert to fraction form
    79,767.54/110,079.18 = 43,957.44/x
  3. Step 3: Cross multiply
    79,767.54x = 110,079.18 × 43,957.44
  4. Step 4: Simplify right side
    79,767.54x = 4,838,798,950.10
  5. Step 5: Solve for x
    x = 4,838,798,950.10/79,767.54
  6. Step 6: Final answer
    x = 60,661.25

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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.