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Finding the Fourth Proportional to 66,534.44, 99,776.22 and 22,152.68

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Solution

The fourth proportional to 66,534.44, 99,776.22 and 22,152.68 is: 33,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.44 : 99,776.22 = 22,152.68 : x
  2. Step 2: Convert to fraction form
    66,534.44/99,776.22 = 22,152.68/x
  3. Step 3: Cross multiply
    66,534.44x = 99,776.22 × 22,152.68
  4. Step 4: Simplify right side
    66,534.44x = 2,210,310,673.27
  5. Step 5: Solve for x
    x = 2,210,310,673.27/66,534.44
  6. Step 6: Final answer
    x = 33,220.55

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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.