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Finding the Fourth Proportional to 181,806.60, 272,709.90 and 102,867.24

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Solution

The fourth proportional to 181,806.60, 272,709.90 and 102,867.24 is: 154,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,806.60 : 272,709.90 = 102,867.24 : x
  2. Step 2: Convert to fraction form
    181,806.60/272,709.90 = 102,867.24/x
  3. Step 3: Cross multiply
    181,806.60x = 272,709.90 × 102,867.24
  4. Step 4: Simplify right side
    181,806.60x = 28,052,914,733.68
  5. Step 5: Solve for x
    x = 28,052,914,733.68/181,806.60
  6. Step 6: Final answer
    x = 154,300.86

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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.