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Finding the Fourth Proportional to 84,574.86, 126,852.18 and 22,250.22

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Solution

The fourth proportional to 84,574.86, 126,852.18 and 22,250.22 is: 33,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,574.86 : 126,852.18 = 22,250.22 : x
  2. Step 2: Convert to fraction form
    84,574.86/126,852.18 = 22,250.22/x
  3. Step 3: Cross multiply
    84,574.86x = 126,852.18 × 22,250.22
  4. Step 4: Simplify right side
    84,574.86x = 2,822,488,912.48
  5. Step 5: Solve for x
    x = 2,822,488,912.48/84,574.86
  6. Step 6: Final answer
    x = 33,372.67

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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.