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Finding the Fourth Proportional to 188,249.20, 282,114.60 and 124,889.20

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Solution

The fourth proportional to 188,249.20, 282,114.60 and 124,889.20 is: 187,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,249.20 : 282,114.60 = 124,889.20 : x
  2. Step 2: Convert to fraction form
    188,249.20/282,114.60 = 124,889.20/x
  3. Step 3: Cross multiply
    188,249.20x = 282,114.60 × 124,889.20
  4. Step 4: Simplify right side
    188,249.20x = 35,233,066,702.32
  5. Step 5: Solve for x
    x = 35,233,066,702.32/188,249.20
  6. Step 6: Final answer
    x = 187,161.84

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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.