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Finding the Fourth Proportional to 272,338.12, 375,562.74 and 181,697.77

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Solution

The fourth proportional to 272,338.12, 375,562.74 and 181,697.77 is: 250,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,338.12 : 375,562.74 = 181,697.77 : x
  2. Step 2: Convert to fraction form
    272,338.12/375,562.74 = 181,697.77/x
  3. Step 3: Cross multiply
    272,338.12x = 375,562.74 × 181,697.77
  4. Step 4: Simplify right side
    272,338.12x = 68,238,912,353.09
  5. Step 5: Solve for x
    x = 68,238,912,353.09/272,338.12
  6. Step 6: Final answer
    x = 250,566.88

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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.