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Finding the Fourth Proportional to 92,583.32, 138,879.77 and 29,408.39

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Solution

The fourth proportional to 92,583.32, 138,879.77 and 29,408.39 is: 44,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,583.32 : 138,879.77 = 29,408.39 : x
  2. Step 2: Convert to fraction form
    92,583.32/138,879.77 = 29,408.39/x
  3. Step 3: Cross multiply
    92,583.32x = 138,879.77 × 29,408.39
  4. Step 4: Simplify right side
    92,583.32x = 4,084,229,597.83
  5. Step 5: Solve for x
    x = 4,084,229,597.83/92,583.32
  6. Step 6: Final answer
    x = 44,114.10

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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.