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Finding the Fourth Proportional to 270,759.52, 406,201.57 and 90,868.82

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Solution

The fourth proportional to 270,759.52, 406,201.57 and 90,868.82 is: 136,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,759.52 : 406,201.57 = 90,868.82 : x
  2. Step 2: Convert to fraction form
    270,759.52/406,201.57 = 90,868.82/x
  3. Step 3: Cross multiply
    270,759.52x = 406,201.57 × 90,868.82
  4. Step 4: Simplify right side
    270,759.52x = 36,911,057,374.75
  5. Step 5: Solve for x
    x = 36,911,057,374.75/270,759.52
  6. Step 6: Final answer
    x = 136,324.14

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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.