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Finding the Fourth Proportional to 73,700, 110,550.72 and 18,296

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Solution

The fourth proportional to 73,700, 110,550.72 and 18,296 is: 27,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700 : 110,550.72 = 18,296 : x
  2. Step 2: Convert to fraction form
    73,700/110,550.72 = 18,296/x
  3. Step 3: Cross multiply
    73,700x = 110,550.72 × 18,296
  4. Step 4: Simplify right side
    73,700x = 2,022,635,973.12
  5. Step 5: Solve for x
    x = 2,022,635,973.12/73,700
  6. Step 6: Final answer
    x = 27,444.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.