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Finding the Fourth Proportional to 135,606.80, 203,410.20 and 93,616.40

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Solution

The fourth proportional to 135,606.80, 203,410.20 and 93,616.40 is: 140,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,606.80 : 203,410.20 = 93,616.40 : x
  2. Step 2: Convert to fraction form
    135,606.80/203,410.20 = 93,616.40/x
  3. Step 3: Cross multiply
    135,606.80x = 203,410.20 × 93,616.40
  4. Step 4: Simplify right side
    135,606.80x = 19,042,530,647.28
  5. Step 5: Solve for x
    x = 19,042,530,647.28/135,606.80
  6. Step 6: Final answer
    x = 140,424.60

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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.