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Finding the Fourth Proportional to 66,847.35, 92,214.86 and 45,329.82

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Solution

The fourth proportional to 66,847.35, 92,214.86 and 45,329.82 is: 62,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.35 : 92,214.86 = 45,329.82 : x
  2. Step 2: Convert to fraction form
    66,847.35/92,214.86 = 45,329.82/x
  3. Step 3: Cross multiply
    66,847.35x = 92,214.86 × 45,329.82
  4. Step 4: Simplify right side
    66,847.35x = 4,180,082,778.48
  5. Step 5: Solve for x
    x = 4,180,082,778.48/66,847.35
  6. Step 6: Final answer
    x = 62,531.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.