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Finding the Fourth Proportional to 135,616.60, 203,376.30 and 69,034.60

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Solution

The fourth proportional to 135,616.60, 203,376.30 and 69,034.60 is: 103,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,616.60 : 203,376.30 = 69,034.60 : x
  2. Step 2: Convert to fraction form
    135,616.60/203,376.30 = 69,034.60/x
  3. Step 3: Cross multiply
    135,616.60x = 203,376.30 × 69,034.60
  4. Step 4: Simplify right side
    135,616.60x = 14,040,001,519.98
  5. Step 5: Solve for x
    x = 14,040,001,519.98/135,616.60
  6. Step 6: Final answer
    x = 103,527.16

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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.