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Finding the Fourth Proportional to 135,364.68, 203,081.58 and 40,594.50

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Solution

The fourth proportional to 135,364.68, 203,081.58 and 40,594.50 is: 60,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,364.68 : 203,081.58 = 40,594.50 : x
  2. Step 2: Convert to fraction form
    135,364.68/203,081.58 = 40,594.50/x
  3. Step 3: Cross multiply
    135,364.68x = 203,081.58 × 40,594.50
  4. Step 4: Simplify right side
    135,364.68x = 8,243,995,199.31
  5. Step 5: Solve for x
    x = 8,243,995,199.31/135,364.68
  6. Step 6: Final answer
    x = 60,902.11

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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.