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Finding the Fourth Proportional to 276,759.33, 415,197.32 and 89,756.25

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Solution

The fourth proportional to 276,759.33, 415,197.32 and 89,756.25 is: 134,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,759.33 : 415,197.32 = 89,756.25 : x
  2. Step 2: Convert to fraction form
    276,759.33/415,197.32 = 89,756.25/x
  3. Step 3: Cross multiply
    276,759.33x = 415,197.32 × 89,756.25
  4. Step 4: Simplify right side
    276,759.33x = 37,266,554,004.47
  5. Step 5: Solve for x
    x = 37,266,554,004.47/276,759.33
  6. Step 6: Final answer
    x = 134,653.29

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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.