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Finding the Fourth Proportional to 92,937.96, 139,395.09 and 29,764.64

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Solution

The fourth proportional to 92,937.96, 139,395.09 and 29,764.64 is: 44,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,937.96 : 139,395.09 = 29,764.64 : x
  2. Step 2: Convert to fraction form
    92,937.96/139,395.09 = 29,764.64/x
  3. Step 3: Cross multiply
    92,937.96x = 139,395.09 × 29,764.64
  4. Step 4: Simplify right side
    92,937.96x = 4,149,044,671.62
  5. Step 5: Solve for x
    x = 4,149,044,671.62/92,937.96
  6. Step 6: Final answer
    x = 44,643.16

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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.