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Finding the Fourth Proportional to 77,474.28, 116,230.86 and 22,070.28

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Solution

The fourth proportional to 77,474.28, 116,230.86 and 22,070.28 is: 33,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,474.28 : 116,230.86 = 22,070.28 : x
  2. Step 2: Convert to fraction form
    77,474.28/116,230.86 = 22,070.28/x
  3. Step 3: Cross multiply
    77,474.28x = 116,230.86 × 22,070.28
  4. Step 4: Simplify right side
    77,474.28x = 2,565,247,624.84
  5. Step 5: Solve for x
    x = 2,565,247,624.84/77,474.28
  6. Step 6: Final answer
    x = 33,110.96

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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.