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Finding the Fourth Proportional to 188,908.87, 283,474.02 and 135,543.34

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Solution

The fourth proportional to 188,908.87, 283,474.02 and 135,543.34 is: 203,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,908.87 : 283,474.02 = 135,543.34 : x
  2. Step 2: Convert to fraction form
    188,908.87/283,474.02 = 135,543.34/x
  3. Step 3: Cross multiply
    188,908.87x = 283,474.02 × 135,543.34
  4. Step 4: Simplify right side
    188,908.87x = 38,423,015,045.45
  5. Step 5: Solve for x
    x = 38,423,015,045.45/188,908.87
  6. Step 6: Final answer
    x = 203,394.45

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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.