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Finding the Fourth Proportional to 66,496.33, 100,188.71 and 60,179.69

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Solution

The fourth proportional to 66,496.33, 100,188.71 and 60,179.69 is: 90,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.33 : 100,188.71 = 60,179.69 : x
  2. Step 2: Convert to fraction form
    66,496.33/100,188.71 = 60,179.69/x
  3. Step 3: Cross multiply
    66,496.33x = 100,188.71 × 60,179.69
  4. Step 4: Simplify right side
    66,496.33x = 6,029,325,515.29
  5. Step 5: Solve for x
    x = 6,029,325,515.29/66,496.33
  6. Step 6: Final answer
    x = 90,671.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.