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Finding the Fourth Proportional to 186,775.44, 280,163.15 and 103,067.64

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Solution

The fourth proportional to 186,775.44, 280,163.15 and 103,067.64 is: 154,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,775.44 : 280,163.15 = 103,067.64 : x
  2. Step 2: Convert to fraction form
    186,775.44/280,163.15 = 103,067.64/x
  3. Step 3: Cross multiply
    186,775.44x = 280,163.15 × 103,067.64
  4. Step 4: Simplify right side
    186,775.44x = 28,875,755,136.39
  5. Step 5: Solve for x
    x = 28,875,755,136.39/186,775.44
  6. Step 6: Final answer
    x = 154,601.46

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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.