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Finding the Fourth Proportional to 73,700.48, 110,549.76 and 18,296.96

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Solution

The fourth proportional to 73,700.48, 110,549.76 and 18,296.96 is: 27,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700.48 : 110,549.76 = 18,296.96 : x
  2. Step 2: Convert to fraction form
    73,700.48/110,549.76 = 18,296.96/x
  3. Step 3: Cross multiply
    73,700.48x = 110,549.76 × 18,296.96
  4. Step 4: Simplify right side
    73,700.48x = 2,022,724,536.73
  5. Step 5: Solve for x
    x = 2,022,724,536.73/73,700.48
  6. Step 6: Final answer
    x = 27,445.20

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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.