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Finding the Fourth Proportional to 92,179.44, 138,270.98 and 28,998.22

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Solution

The fourth proportional to 92,179.44, 138,270.98 and 28,998.22 is: 43,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,179.44 : 138,270.98 = 28,998.22 : x
  2. Step 2: Convert to fraction form
    92,179.44/138,270.98 = 28,998.22/x
  3. Step 3: Cross multiply
    92,179.44x = 138,270.98 × 28,998.22
  4. Step 4: Simplify right side
    92,179.44x = 4,009,612,297.66
  5. Step 5: Solve for x
    x = 4,009,612,297.66/92,179.44
  6. Step 6: Final answer
    x = 43,497.90

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1.5x scale

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.