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Finding the Fourth Proportional to 67,397.01, 92,966.65 and 43,189.82

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Solution

The fourth proportional to 67,397.01, 92,966.65 and 43,189.82 is: 59,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.01 : 92,966.65 = 43,189.82 : x
  2. Step 2: Convert to fraction form
    67,397.01/92,966.65 = 43,189.82/x
  3. Step 3: Cross multiply
    67,397.01x = 92,966.65 × 43,189.82
  4. Step 4: Simplify right side
    67,397.01x = 4,015,212,879.50
  5. Step 5: Solve for x
    x = 4,015,212,879.50/67,397.01
  6. Step 6: Final answer
    x = 59,575.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.