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Finding the Fourth Proportional to 135,087.94, 202,628.42 and 43,902.83

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Solution

The fourth proportional to 135,087.94, 202,628.42 and 43,902.83 is: 65,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.94 : 202,628.42 = 43,902.83 : x
  2. Step 2: Convert to fraction form
    135,087.94/202,628.42 = 43,902.83/x
  3. Step 3: Cross multiply
    135,087.94x = 202,628.42 × 43,902.83
  4. Step 4: Simplify right side
    135,087.94x = 8,895,961,212.74
  5. Step 5: Solve for x
    x = 8,895,961,212.74/135,087.94
  6. Step 6: Final answer
    x = 65,853.11

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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.