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Finding the Fourth Proportional to 68,073.60, 101,625.60 and 57,573.12

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Solution

The fourth proportional to 68,073.60, 101,625.60 and 57,573.12 is: 85,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.60 : 101,625.60 = 57,573.12 : x
  2. Step 2: Convert to fraction form
    68,073.60/101,625.60 = 57,573.12/x
  3. Step 3: Cross multiply
    68,073.60x = 101,625.60 × 57,573.12
  4. Step 4: Simplify right side
    68,073.60x = 5,850,902,863.87
  5. Step 5: Solve for x
    x = 5,850,902,863.87/68,073.60
  6. Step 6: Final answer
    x = 85,949.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.