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Finding the Fourth Proportional to 73,252.34, 109,699.31 and 66,152.61

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Solution

The fourth proportional to 73,252.34, 109,699.31 and 66,152.61 is: 99,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.34 : 109,699.31 = 66,152.61 : x
  2. Step 2: Convert to fraction form
    73,252.34/109,699.31 = 66,152.61/x
  3. Step 3: Cross multiply
    73,252.34x = 109,699.31 × 66,152.61
  4. Step 4: Simplify right side
    73,252.34x = 7,256,895,340.94
  5. Step 5: Solve for x
    x = 7,256,895,340.94/73,252.34
  6. Step 6: Final answer
    x = 99,067.09

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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.