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Finding the Fourth Proportional to 92,967.96, 139,374.21 and 43,083.81

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Solution

The fourth proportional to 92,967.96, 139,374.21 and 43,083.81 is: 64,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.96 : 139,374.21 = 43,083.81 : x
  2. Step 2: Convert to fraction form
    92,967.96/139,374.21 = 43,083.81/x
  3. Step 3: Cross multiply
    92,967.96x = 139,374.21 × 43,083.81
  4. Step 4: Simplify right side
    92,967.96x = 6,004,771,982.54
  5. Step 5: Solve for x
    x = 6,004,771,982.54/92,967.96
  6. Step 6: Final answer
    x = 64,589.69

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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.