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Finding the Fourth Proportional to 181,896.53, 272,835.56 and 69,568.13

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Solution

The fourth proportional to 181,896.53, 272,835.56 and 69,568.13 is: 104,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,896.53 : 272,835.56 = 69,568.13 : x
  2. Step 2: Convert to fraction form
    181,896.53/272,835.56 = 69,568.13/x
  3. Step 3: Cross multiply
    181,896.53x = 272,835.56 × 69,568.13
  4. Step 4: Simplify right side
    181,896.53x = 18,980,660,562.71
  5. Step 5: Solve for x
    x = 18,980,660,562.71/181,896.53
  6. Step 6: Final answer
    x = 104,348.67

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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.