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Finding the Fourth Proportional to 135,902.20, 203,926.20 and 57,024.40

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Solution

The fourth proportional to 135,902.20, 203,926.20 and 57,024.40 is: 85,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.20 : 203,926.20 = 57,024.40 : x
  2. Step 2: Convert to fraction form
    135,902.20/203,926.20 = 57,024.40/x
  3. Step 3: Cross multiply
    135,902.20x = 203,926.20 × 57,024.40
  4. Step 4: Simplify right side
    135,902.20x = 11,628,769,199.28
  5. Step 5: Solve for x
    x = 11,628,769,199.28/135,902.20
  6. Step 6: Final answer
    x = 85,567.19

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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.