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Finding the Fourth Proportional to 73,959.12, 102,072.57 and 41,699.96

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Solution

The fourth proportional to 73,959.12, 102,072.57 and 41,699.96 is: 57,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,959.12 : 102,072.57 = 41,699.96 : x
  2. Step 2: Convert to fraction form
    73,959.12/102,072.57 = 41,699.96/x
  3. Step 3: Cross multiply
    73,959.12x = 102,072.57 × 41,699.96
  4. Step 4: Simplify right side
    73,959.12x = 4,256,421,575.73
  5. Step 5: Solve for x
    x = 4,256,421,575.73/73,959.12
  6. Step 6: Final answer
    x = 57,551.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.