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Finding the Fourth Proportional to 92,567.76, 138,837.45 and 29,379.69

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Solution

The fourth proportional to 92,567.76, 138,837.45 and 29,379.69 is: 44,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,567.76 : 138,837.45 = 29,379.69 : x
  2. Step 2: Convert to fraction form
    92,567.76/138,837.45 = 29,379.69/x
  3. Step 3: Cross multiply
    92,567.76x = 138,837.45 × 29,379.69
  4. Step 4: Simplify right side
    92,567.76x = 4,079,001,241.39
  5. Step 5: Solve for x
    x = 4,079,001,241.39/92,567.76
  6. Step 6: Final answer
    x = 44,065.03

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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.