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Finding the Fourth Proportional to 101,571.97, 152,383.88 and 64,396.21

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Solution

The fourth proportional to 101,571.97, 152,383.88 and 64,396.21 is: 96,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,571.97 : 152,383.88 = 64,396.21 : x
  2. Step 2: Convert to fraction form
    101,571.97/152,383.88 = 64,396.21/x
  3. Step 3: Cross multiply
    101,571.97x = 152,383.88 × 64,396.21
  4. Step 4: Simplify right side
    101,571.97x = 9,812,944,015.11
  5. Step 5: Solve for x
    x = 9,812,944,015.11/101,571.97
  6. Step 6: Final answer
    x = 96,610.75

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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.