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Finding the Fourth Proportional to 92,656.54, 138,983.44 and 29,480.49

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Solution

The fourth proportional to 92,656.54, 138,983.44 and 29,480.49 is: 44,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,656.54 : 138,983.44 = 29,480.49 : x
  2. Step 2: Convert to fraction form
    92,656.54/138,983.44 = 29,480.49/x
  3. Step 3: Cross multiply
    92,656.54x = 138,983.44 × 29,480.49
  4. Step 4: Simplify right side
    92,656.54x = 4,097,299,913.09
  5. Step 5: Solve for x
    x = 4,097,299,913.09/92,656.54
  6. Step 6: Final answer
    x = 44,220.30

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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.