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Finding the Fourth Proportional to 85,170.94, 117,534.94 and 48,376.89

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Solution

The fourth proportional to 85,170.94, 117,534.94 and 48,376.89 is: 66,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.94 : 117,534.94 = 48,376.89 : x
  2. Step 2: Convert to fraction form
    85,170.94/117,534.94 = 48,376.89/x
  3. Step 3: Cross multiply
    85,170.94x = 117,534.94 × 48,376.89
  4. Step 4: Simplify right side
    85,170.94x = 5,685,974,863.54
  5. Step 5: Solve for x
    x = 5,685,974,863.54/85,170.94
  6. Step 6: Final answer
    x = 66,759.56

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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.