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Finding the Fourth Proportional to 67,027.40, 100,541.03 and 17,107.50

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Solution

The fourth proportional to 67,027.40, 100,541.03 and 17,107.50 is: 25,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,027.40 : 100,541.03 = 17,107.50 : x
  2. Step 2: Convert to fraction form
    67,027.40/100,541.03 = 17,107.50/x
  3. Step 3: Cross multiply
    67,027.40x = 100,541.03 × 17,107.50
  4. Step 4: Simplify right side
    67,027.40x = 1,720,005,585.19
  5. Step 5: Solve for x
    x = 1,720,005,585.19/67,027.40
  6. Step 6: Final answer
    x = 25,661.23

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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.