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Finding the Fourth Proportional to 85,216.86, 117,599.85 and 47,493.54

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Solution

The fourth proportional to 85,216.86, 117,599.85 and 47,493.54 is: 65,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.86 : 117,599.85 = 47,493.54 : x
  2. Step 2: Convert to fraction form
    85,216.86/117,599.85 = 47,493.54/x
  3. Step 3: Cross multiply
    85,216.86x = 117,599.85 × 47,493.54
  4. Step 4: Simplify right side
    85,216.86x = 5,585,233,179.97
  5. Step 5: Solve for x
    x = 5,585,233,179.97/85,216.86
  6. Step 6: Final answer
    x = 65,541.41

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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.