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Finding the Fourth Proportional to 92,010.86, 138,016.11 and 28,835.82

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Solution

The fourth proportional to 92,010.86, 138,016.11 and 28,835.82 is: 43,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,010.86 : 138,016.11 = 28,835.82 : x
  2. Step 2: Convert to fraction form
    92,010.86/138,016.11 = 28,835.82/x
  3. Step 3: Cross multiply
    92,010.86x = 138,016.11 × 28,835.82
  4. Step 4: Simplify right side
    92,010.86x = 3,979,807,014.98
  5. Step 5: Solve for x
    x = 3,979,807,014.98/92,010.86
  6. Step 6: Final answer
    x = 43,253.67

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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.