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Finding the Fourth Proportional to 92,429.44, 138,696 and 37,029.76

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Solution

The fourth proportional to 92,429.44, 138,696 and 37,029.76 is: 55,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,429.44 : 138,696 = 37,029.76 : x
  2. Step 2: Convert to fraction form
    92,429.44/138,696 = 37,029.76/x
  3. Step 3: Cross multiply
    92,429.44x = 138,696 × 37,029.76
  4. Step 4: Simplify right side
    92,429.44x = 5,135,879,592.96
  5. Step 5: Solve for x
    x = 5,135,879,592.96/92,429.44
  6. Step 6: Final answer
    x = 55,565.41

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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.