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Finding the Fourth Proportional to 192,557.68, 288,843.10 and 66,196.84

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Solution

The fourth proportional to 192,557.68, 288,843.10 and 66,196.84 is: 99,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,557.68 : 288,843.10 = 66,196.84 : x
  2. Step 2: Convert to fraction form
    192,557.68/288,843.10 = 66,196.84/x
  3. Step 3: Cross multiply
    192,557.68x = 288,843.10 × 66,196.84
  4. Step 4: Simplify right side
    192,557.68x = 19,120,500,475.80
  5. Step 5: Solve for x
    x = 19,120,500,475.80/192,557.68
  6. Step 6: Final answer
    x = 99,297.52

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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.