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Finding the Fourth Proportional to 79,767.53, 110,079.16 and 43,957.23

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Solution

The fourth proportional to 79,767.53, 110,079.16 and 43,957.23 is: 60,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.53 : 110,079.16 = 43,957.23 : x
  2. Step 2: Convert to fraction form
    79,767.53/110,079.16 = 43,957.23/x
  3. Step 3: Cross multiply
    79,767.53x = 110,079.16 × 43,957.23
  4. Step 4: Simplify right side
    79,767.53x = 4,838,774,954.33
  5. Step 5: Solve for x
    x = 4,838,774,954.33/79,767.53
  6. Step 6: Final answer
    x = 60,660.96

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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.