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Finding the Fourth Proportional to 135,532.22, 203,484.52 and 69,017.04

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Solution

The fourth proportional to 135,532.22, 203,484.52 and 69,017.04 is: 103,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,532.22 : 203,484.52 = 69,017.04 : x
  2. Step 2: Convert to fraction form
    135,532.22/203,484.52 = 69,017.04/x
  3. Step 3: Cross multiply
    135,532.22x = 203,484.52 × 69,017.04
  4. Step 4: Simplify right side
    135,532.22x = 14,043,899,342.49
  5. Step 5: Solve for x
    x = 14,043,899,342.49/135,532.22
  6. Step 6: Final answer
    x = 103,620.38

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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.