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Finding the Fourth Proportional to 70,799.82, 106,199.72 and 29,247.90

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Solution

The fourth proportional to 70,799.82, 106,199.72 and 29,247.90 is: 43,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.82 : 106,199.72 = 29,247.90 : x
  2. Step 2: Convert to fraction form
    70,799.82/106,199.72 = 29,247.90/x
  3. Step 3: Cross multiply
    70,799.82x = 106,199.72 × 29,247.90
  4. Step 4: Simplify right side
    70,799.82x = 3,106,118,790.59
  5. Step 5: Solve for x
    x = 3,106,118,790.59/70,799.82
  6. Step 6: Final answer
    x = 43,871.85

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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.