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Finding the Fourth Proportional to 135,608.25, 203,412.39 and 52,502.25

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Solution

The fourth proportional to 135,608.25, 203,412.39 and 52,502.25 is: 78,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,608.25 : 203,412.39 = 52,502.25 : x
  2. Step 2: Convert to fraction form
    135,608.25/203,412.39 = 52,502.25/x
  3. Step 3: Cross multiply
    135,608.25x = 203,412.39 × 52,502.25
  4. Step 4: Simplify right side
    135,608.25x = 10,679,608,152.88
  5. Step 5: Solve for x
    x = 10,679,608,152.88/135,608.25
  6. Step 6: Final answer
    x = 78,753.38

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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.