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Finding the Fourth Proportional to 73,542.77, 110,320.73 and 28,563.06

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Solution

The fourth proportional to 73,542.77, 110,320.73 and 28,563.06 is: 42,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,542.77 : 110,320.73 = 28,563.06 : x
  2. Step 2: Convert to fraction form
    73,542.77/110,320.73 = 28,563.06/x
  3. Step 3: Cross multiply
    73,542.77x = 110,320.73 × 28,563.06
  4. Step 4: Simplify right side
    73,542.77x = 3,151,097,487.42
  5. Step 5: Solve for x
    x = 3,151,097,487.42/73,542.77
  6. Step 6: Final answer
    x = 42,847.14

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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.