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Finding the Fourth Proportional to 73,841.77, 101,871.31 and 54,768.48

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Solution

The fourth proportional to 73,841.77, 101,871.31 and 54,768.48 is: 75,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,841.77 : 101,871.31 = 54,768.48 : x
  2. Step 2: Convert to fraction form
    73,841.77/101,871.31 = 54,768.48/x
  3. Step 3: Cross multiply
    73,841.77x = 101,871.31 × 54,768.48
  4. Step 4: Simplify right side
    73,841.77x = 5,579,336,804.31
  5. Step 5: Solve for x
    x = 5,579,336,804.31/73,841.77
  6. Step 6: Final answer
    x = 75,558.00

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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.