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Finding the Fourth Proportional to 181,679.67, 272,562.63 and 61,744.59

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Solution

The fourth proportional to 181,679.67, 272,562.63 and 61,744.59 is: 92,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,679.67 : 272,562.63 = 61,744.59 : x
  2. Step 2: Convert to fraction form
    181,679.67/272,562.63 = 61,744.59/x
  3. Step 3: Cross multiply
    181,679.67x = 272,562.63 × 61,744.59
  4. Step 4: Simplify right side
    181,679.67x = 16,829,267,838.67
  5. Step 5: Solve for x
    x = 16,829,267,838.67/181,679.67
  6. Step 6: Final answer
    x = 92,631.54

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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.