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Finding the Fourth Proportional to 66,806.37, 100,206.05 and 22,434.03

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Solution

The fourth proportional to 66,806.37, 100,206.05 and 22,434.03 is: 33,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,806.37 : 100,206.05 = 22,434.03 : x
  2. Step 2: Convert to fraction form
    66,806.37/100,206.05 = 22,434.03/x
  3. Step 3: Cross multiply
    66,806.37x = 100,206.05 × 22,434.03
  4. Step 4: Simplify right side
    66,806.37x = 2,248,025,419.71
  5. Step 5: Solve for x
    x = 2,248,025,419.71/66,806.37
  6. Step 6: Final answer
    x = 33,649.87

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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.