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Finding the Fourth Proportional to 79,802.28, 110,123.77 and 43,502.94

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Solution

The fourth proportional to 79,802.28, 110,123.77 and 43,502.94 is: 60,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,802.28 : 110,123.77 = 43,502.94 : x
  2. Step 2: Convert to fraction form
    79,802.28/110,123.77 = 43,502.94/x
  3. Step 3: Cross multiply
    79,802.28x = 110,123.77 × 43,502.94
  4. Step 4: Simplify right side
    79,802.28x = 4,790,707,854.05
  5. Step 5: Solve for x
    x = 4,790,707,854.05/79,802.28
  6. Step 6: Final answer
    x = 60,032.22

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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.