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Finding the Fourth Proportional to 66,910.56, 100,344.80 and 24,210.48

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Solution

The fourth proportional to 66,910.56, 100,344.80 and 24,210.48 is: 36,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.56 : 100,344.80 = 24,210.48 : x
  2. Step 2: Convert to fraction form
    66,910.56/100,344.80 = 24,210.48/x
  3. Step 3: Cross multiply
    66,910.56x = 100,344.80 × 24,210.48
  4. Step 4: Simplify right side
    66,910.56x = 2,429,395,773.50
  5. Step 5: Solve for x
    x = 2,429,395,773.50/66,910.56
  6. Step 6: Final answer
    x = 36,308.11

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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.