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Finding the Fourth Proportional to 135,559.80, 203,366.82 and 46,816.52

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Solution

The fourth proportional to 135,559.80, 203,366.82 and 46,816.52 is: 70,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.80 : 203,366.82 = 46,816.52 : x
  2. Step 2: Convert to fraction form
    135,559.80/203,366.82 = 46,816.52/x
  3. Step 3: Cross multiply
    135,559.80x = 203,366.82 × 46,816.52
  4. Step 4: Simplify right side
    135,559.80x = 9,520,926,795.87
  5. Step 5: Solve for x
    x = 9,520,926,795.87/135,559.80
  6. Step 6: Final answer
    x = 70,234.15

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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.