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Finding the Fourth Proportional to 92,792.44, 139,207.62 and 39,484.36

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Solution

The fourth proportional to 92,792.44, 139,207.62 and 39,484.36 is: 59,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,792.44 : 139,207.62 = 39,484.36 : x
  2. Step 2: Convert to fraction form
    92,792.44/139,207.62 = 39,484.36/x
  3. Step 3: Cross multiply
    92,792.44x = 139,207.62 × 39,484.36
  4. Step 4: Simplify right side
    92,792.44x = 5,496,523,782.82
  5. Step 5: Solve for x
    x = 5,496,523,782.82/92,792.44
  6. Step 6: Final answer
    x = 59,234.61

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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.