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Finding the Fourth Proportional to 69,600, 104,305.44 and 32,077.52

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Solution

The fourth proportional to 69,600, 104,305.44 and 32,077.52 is: 48,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,600 : 104,305.44 = 32,077.52 : x
  2. Step 2: Convert to fraction form
    69,600/104,305.44 = 32,077.52/x
  3. Step 3: Cross multiply
    69,600x = 104,305.44 × 32,077.52
  4. Step 4: Simplify right side
    69,600x = 3,345,859,837.71
  5. Step 5: Solve for x
    x = 3,345,859,837.71/69,600
  6. Step 6: Final answer
    x = 48,072.70

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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.