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Finding the Fourth Proportional to 73,600.58, 110,415.96 and 28,620.88

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Solution

The fourth proportional to 73,600.58, 110,415.96 and 28,620.88 is: 42,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,600.58 : 110,415.96 = 28,620.88 : x
  2. Step 2: Convert to fraction form
    73,600.58/110,415.96 = 28,620.88/x
  3. Step 3: Cross multiply
    73,600.58x = 110,415.96 × 28,620.88
  4. Step 4: Simplify right side
    73,600.58x = 3,160,201,665.20
  5. Step 5: Solve for x
    x = 3,160,201,665.20/73,600.58
  6. Step 6: Final answer
    x = 42,937.18

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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.