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Finding the Fourth Proportional to 79,718.33, 110,012.04 and 43,908.47

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Solution

The fourth proportional to 79,718.33, 110,012.04 and 43,908.47 is: 60,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.33 : 110,012.04 = 43,908.47 : x
  2. Step 2: Convert to fraction form
    79,718.33/110,012.04 = 43,908.47/x
  3. Step 3: Cross multiply
    79,718.33x = 110,012.04 × 43,908.47
  4. Step 4: Simplify right side
    79,718.33x = 4,830,459,588.38
  5. Step 5: Solve for x
    x = 4,830,459,588.38/79,718.33
  6. Step 6: Final answer
    x = 60,594.09

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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.