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Finding the Fourth Proportional to 116,375.39, 160,598.13 and 66,074.39

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Solution

The fourth proportional to 116,375.39, 160,598.13 and 66,074.39 is: 91,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,375.39 : 160,598.13 = 66,074.39 : x
  2. Step 2: Convert to fraction form
    116,375.39/160,598.13 = 66,074.39/x
  3. Step 3: Cross multiply
    116,375.39x = 160,598.13 × 66,074.39
  4. Step 4: Simplify right side
    116,375.39x = 10,611,422,671.90
  5. Step 5: Solve for x
    x = 10,611,422,671.90/116,375.39
  6. Step 6: Final answer
    x = 91,182.71

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1.5x scale

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.