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Finding the Fourth Proportional to 85,522.57, 118,010.92 and 47,276.97

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Solution

The fourth proportional to 85,522.57, 118,010.92 and 47,276.97 is: 65,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,522.57 : 118,010.92 = 47,276.97 : x
  2. Step 2: Convert to fraction form
    85,522.57/118,010.92 = 47,276.97/x
  3. Step 3: Cross multiply
    85,522.57x = 118,010.92 × 47,276.97
  4. Step 4: Simplify right side
    85,522.57x = 5,579,198,724.51
  5. Step 5: Solve for x
    x = 5,579,198,724.51/85,522.57
  6. Step 6: Final answer
    x = 65,236.57

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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.