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Finding the Fourth Proportional to 73,770.12, 110,655.12 and 27,026.64

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Solution

The fourth proportional to 73,770.12, 110,655.12 and 27,026.64 is: 40,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,770.12 : 110,655.12 = 27,026.64 : x
  2. Step 2: Convert to fraction form
    73,770.12/110,655.12 = 27,026.64/x
  3. Step 3: Cross multiply
    73,770.12x = 110,655.12 × 27,026.64
  4. Step 4: Simplify right side
    73,770.12x = 2,990,636,092.40
  5. Step 5: Solve for x
    x = 2,990,636,092.40/73,770.12
  6. Step 6: Final answer
    x = 40,539.94

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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.