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Finding the Fourth Proportional to 85,269, 117,671.58 and 47,546.04

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Solution

The fourth proportional to 85,269, 117,671.58 and 47,546.04 is: 65,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269 : 117,671.58 = 47,546.04 : x
  2. Step 2: Convert to fraction form
    85,269/117,671.58 = 47,546.04/x
  3. Step 3: Cross multiply
    85,269x = 117,671.58 × 47,546.04
  4. Step 4: Simplify right side
    85,269x = 5,594,817,649.54
  5. Step 5: Solve for x
    x = 5,594,817,649.54/85,269
  6. Step 6: Final answer
    x = 65,613.74

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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.