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Finding the Fourth Proportional to 203,594.48, 305,268.69 and 91,253.76

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Solution

The fourth proportional to 203,594.48, 305,268.69 and 91,253.76 is: 136,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,594.48 : 305,268.69 = 91,253.76 : x
  2. Step 2: Convert to fraction form
    203,594.48/305,268.69 = 91,253.76/x
  3. Step 3: Cross multiply
    203,594.48x = 305,268.69 × 91,253.76
  4. Step 4: Simplify right side
    203,594.48x = 27,856,915,772.77
  5. Step 5: Solve for x
    x = 27,856,915,772.77/203,594.48
  6. Step 6: Final answer
    x = 136,825.50

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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.