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Finding the Fourth Proportional to 181,472.06, 250,419.60 and 100,896.64

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Solution

The fourth proportional to 181,472.06, 250,419.60 and 100,896.64 is: 139,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,472.06 : 250,419.60 = 100,896.64 : x
  2. Step 2: Convert to fraction form
    181,472.06/250,419.60 = 100,896.64/x
  3. Step 3: Cross multiply
    181,472.06x = 250,419.60 × 100,896.64
  4. Step 4: Simplify right side
    181,472.06x = 25,266,495,604.10
  5. Step 5: Solve for x
    x = 25,266,495,604.10/181,472.06
  6. Step 6: Final answer
    x = 139,230.77

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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.