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Finding the Fourth Proportional to 77,614.31, 116,324.13 and 33,188.92

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Solution

The fourth proportional to 77,614.31, 116,324.13 and 33,188.92 is: 49,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,614.31 : 116,324.13 = 33,188.92 : x
  2. Step 2: Convert to fraction form
    77,614.31/116,324.13 = 33,188.92/x
  3. Step 3: Cross multiply
    77,614.31x = 116,324.13 × 33,188.92
  4. Step 4: Simplify right side
    77,614.31x = 3,860,672,244.64
  5. Step 5: Solve for x
    x = 3,860,672,244.64/77,614.31
  6. Step 6: Final answer
    x = 49,741.76

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1.5x scale

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.