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Finding the Fourth Proportional to 101,322.20, 152,014.08 and 71,797.16

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Solution

The fourth proportional to 101,322.20, 152,014.08 and 71,797.16 is: 107,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.20 : 152,014.08 = 71,797.16 : x
  2. Step 2: Convert to fraction form
    101,322.20/152,014.08 = 71,797.16/x
  3. Step 3: Cross multiply
    101,322.20x = 152,014.08 × 71,797.16
  4. Step 4: Simplify right side
    101,322.20x = 10,914,179,224.01
  5. Step 5: Solve for x
    x = 10,914,179,224.01/101,322.20
  6. Step 6: Final answer
    x = 107,717.55

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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.