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Finding the Fourth Proportional to 79,800.81, 110,123.77 and 43,502.65

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Solution

The fourth proportional to 79,800.81, 110,123.77 and 43,502.65 is: 60,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.81 : 110,123.77 = 43,502.65 : x
  2. Step 2: Convert to fraction form
    79,800.81/110,123.77 = 43,502.65/x
  3. Step 3: Cross multiply
    79,800.81x = 110,123.77 × 43,502.65
  4. Step 4: Simplify right side
    79,800.81x = 4,790,675,822.99
  5. Step 5: Solve for x
    x = 4,790,675,822.99/79,800.81
  6. Step 6: Final answer
    x = 60,032.92

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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.