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Finding the Fourth Proportional to 134,324.56, 201,469.56 and 45,574.48

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Solution

The fourth proportional to 134,324.56, 201,469.56 and 45,574.48 is: 68,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,324.56 : 201,469.56 = 45,574.48 : x
  2. Step 2: Convert to fraction form
    134,324.56/201,469.56 = 45,574.48/x
  3. Step 3: Cross multiply
    134,324.56x = 201,469.56 × 45,574.48
  4. Step 4: Simplify right side
    134,324.56x = 9,181,870,432.83
  5. Step 5: Solve for x
    x = 9,181,870,432.83/134,324.56
  6. Step 6: Final answer
    x = 68,355.86

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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.