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Finding the Fourth Proportional to 70,991.21, 106,475.52 and 23,602.37

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Solution

The fourth proportional to 70,991.21, 106,475.52 and 23,602.37 is: 35,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,991.21 : 106,475.52 = 23,602.37 : x
  2. Step 2: Convert to fraction form
    70,991.21/106,475.52 = 23,602.37/x
  3. Step 3: Cross multiply
    70,991.21x = 106,475.52 × 23,602.37
  4. Step 4: Simplify right side
    70,991.21x = 2,513,074,618.98
  5. Step 5: Solve for x
    x = 2,513,074,618.98/70,991.21
  6. Step 6: Final answer
    x = 35,399.80

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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.