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Finding the Fourth Proportional to 72,166.63, 108,250.08 and 27,814.27

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Solution

The fourth proportional to 72,166.63, 108,250.08 and 27,814.27 is: 41,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,166.63 : 108,250.08 = 27,814.27 : x
  2. Step 2: Convert to fraction form
    72,166.63/108,250.08 = 27,814.27/x
  3. Step 3: Cross multiply
    72,166.63x = 108,250.08 × 27,814.27
  4. Step 4: Simplify right side
    72,166.63x = 3,010,896,952.64
  5. Step 5: Solve for x
    x = 3,010,896,952.64/72,166.63
  6. Step 6: Final answer
    x = 41,721.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.