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Finding the Fourth Proportional to 85,069.62, 117,402.86 and 49,260.27

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Solution

The fourth proportional to 85,069.62, 117,402.86 and 49,260.27 is: 67,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.62 : 117,402.86 = 49,260.27 : x
  2. Step 2: Convert to fraction form
    85,069.62/117,402.86 = 49,260.27/x
  3. Step 3: Cross multiply
    85,069.62x = 117,402.86 × 49,260.27
  4. Step 4: Simplify right side
    85,069.62x = 5,783,295,933.78
  5. Step 5: Solve for x
    x = 5,783,295,933.78/85,069.62
  6. Step 6: Final answer
    x = 67,983.09

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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.