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Finding the Fourth Proportional to 73,866.21, 101,896.29 and 55,930.11

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Solution

The fourth proportional to 73,866.21, 101,896.29 and 55,930.11 is: 77,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.21 : 101,896.29 = 55,930.11 : x
  2. Step 2: Convert to fraction form
    73,866.21/101,896.29 = 55,930.11/x
  3. Step 3: Cross multiply
    73,866.21x = 101,896.29 × 55,930.11
  4. Step 4: Simplify right side
    73,866.21x = 5,699,070,708.29
  5. Step 5: Solve for x
    x = 5,699,070,708.29/73,866.21
  6. Step 6: Final answer
    x = 77,153.96

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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.