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Finding the Fourth Proportional to 92,199.40, 138,340.41 and 44,788.48

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Solution

The fourth proportional to 92,199.40, 138,340.41 and 44,788.48 is: 67,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,199.40 : 138,340.41 = 44,788.48 : x
  2. Step 2: Convert to fraction form
    92,199.40/138,340.41 = 44,788.48/x
  3. Step 3: Cross multiply
    92,199.40x = 138,340.41 × 44,788.48
  4. Step 4: Simplify right side
    92,199.40x = 6,196,056,686.48
  5. Step 5: Solve for x
    x = 6,196,056,686.48/92,199.40
  6. Step 6: Final answer
    x = 67,202.79

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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.