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Finding the Fourth Proportional to 136,360.67, 204,626.19 and 52,127.96

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Solution

The fourth proportional to 136,360.67, 204,626.19 and 52,127.96 is: 78,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,360.67 : 204,626.19 = 52,127.96 : x
  2. Step 2: Convert to fraction form
    136,360.67/204,626.19 = 52,127.96/x
  3. Step 3: Cross multiply
    136,360.67x = 204,626.19 × 52,127.96
  4. Step 4: Simplify right side
    136,360.67x = 10,666,745,847.27
  5. Step 5: Solve for x
    x = 10,666,745,847.27/136,360.67
  6. Step 6: Final answer
    x = 78,224.50

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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.