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Finding the Fourth Proportional to 73,576.54, 101,535.78 and 40,042.54

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Solution

The fourth proportional to 73,576.54, 101,535.78 and 40,042.54 is: 55,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,576.54 : 101,535.78 = 40,042.54 : x
  2. Step 2: Convert to fraction form
    73,576.54/101,535.78 = 40,042.54/x
  3. Step 3: Cross multiply
    73,576.54x = 101,535.78 × 40,042.54
  4. Step 4: Simplify right side
    73,576.54x = 4,065,750,532.08
  5. Step 5: Solve for x
    x = 4,065,750,532.08/73,576.54
  6. Step 6: Final answer
    x = 55,258.79

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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.