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Finding the Fourth Proportional to 135,944.50, 203,937.50 and 69,348.30

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Solution

The fourth proportional to 135,944.50, 203,937.50 and 69,348.30 is: 104,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.50 : 203,937.50 = 69,348.30 : x
  2. Step 2: Convert to fraction form
    135,944.50/203,937.50 = 69,348.30/x
  3. Step 3: Cross multiply
    135,944.50x = 203,937.50 × 69,348.30
  4. Step 4: Simplify right side
    135,944.50x = 14,142,717,949.77
  5. Step 5: Solve for x
    x = 14,142,717,949.77/135,944.50
  6. Step 6: Final answer
    x = 104,033.03

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1.5x scale

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.