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Finding the Fourth Proportional to 77,068.52, 115,797.66 and 73,958.12

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Solution

The fourth proportional to 77,068.52, 115,797.66 and 73,958.12 is: 111,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,068.52 : 115,797.66 = 73,958.12 : x
  2. Step 2: Convert to fraction form
    77,068.52/115,797.66 = 73,958.12/x
  3. Step 3: Cross multiply
    77,068.52x = 115,797.66 × 73,958.12
  4. Step 4: Simplify right side
    77,068.52x = 8,564,177,234.00
  5. Step 5: Solve for x
    x = 8,564,177,234.00/77,068.52
  6. Step 6: Final answer
    x = 111,124.19

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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.