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Finding the Fourth Proportional to 110,593.28, 152,571.42 and 72,286.28

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Solution

The fourth proportional to 110,593.28, 152,571.42 and 72,286.28 is: 99,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,593.28 : 152,571.42 = 72,286.28 : x
  2. Step 2: Convert to fraction form
    110,593.28/152,571.42 = 72,286.28/x
  3. Step 3: Cross multiply
    110,593.28x = 152,571.42 × 72,286.28
  4. Step 4: Simplify right side
    110,593.28x = 11,028,820,386.12
  5. Step 5: Solve for x
    x = 11,028,820,386.12/110,593.28
  6. Step 6: Final answer
    x = 99,724.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.