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Finding the Fourth Proportional to 115,190.93, 158,965.07 and 64,202.24

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Solution

The fourth proportional to 115,190.93, 158,965.07 and 64,202.24 is: 88,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,190.93 : 158,965.07 = 64,202.24 : x
  2. Step 2: Convert to fraction form
    115,190.93/158,965.07 = 64,202.24/x
  3. Step 3: Cross multiply
    115,190.93x = 158,965.07 × 64,202.24
  4. Step 4: Simplify right side
    115,190.93x = 10,205,912,459.92
  5. Step 5: Solve for x
    x = 10,205,912,459.92/115,190.93
  6. Step 6: Final answer
    x = 88,599.97

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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.