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Finding the Fourth Proportional to 235,181.64, 324,545.22 and 127,749.27

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Solution

The fourth proportional to 235,181.64, 324,545.22 and 127,749.27 is: 176,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,181.64 : 324,545.22 = 127,749.27 : x
  2. Step 2: Convert to fraction form
    235,181.64/324,545.22 = 127,749.27/x
  3. Step 3: Cross multiply
    235,181.64x = 324,545.22 × 127,749.27
  4. Step 4: Simplify right side
    235,181.64x = 41,460,414,936.99
  5. Step 5: Solve for x
    x = 41,460,414,936.99/235,181.64
  6. Step 6: Final answer
    x = 176,291.04

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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.