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Finding the Fourth Proportional to 202,134.18, 303,231.53 and 65,311.54

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Solution

The fourth proportional to 202,134.18, 303,231.53 and 65,311.54 is: 97,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,134.18 : 303,231.53 = 65,311.54 : x
  2. Step 2: Convert to fraction form
    202,134.18/303,231.53 = 65,311.54/x
  3. Step 3: Cross multiply
    202,134.18x = 303,231.53 × 65,311.54
  4. Step 4: Simplify right side
    202,134.18x = 19,804,518,200.86
  5. Step 5: Solve for x
    x = 19,804,518,200.86/202,134.18
  6. Step 6: Final answer
    x = 97,977.09

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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.