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Finding the Fourth Proportional to 84,846.92, 117,087.06 and 47,119.88

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Solution

The fourth proportional to 84,846.92, 117,087.06 and 47,119.88 is: 65,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.92 : 117,087.06 = 47,119.88 : x
  2. Step 2: Convert to fraction form
    84,846.92/117,087.06 = 47,119.88/x
  3. Step 3: Cross multiply
    84,846.92x = 117,087.06 × 47,119.88
  4. Step 4: Simplify right side
    84,846.92x = 5,517,128,216.75
  5. Step 5: Solve for x
    x = 5,517,128,216.75/84,846.92
  6. Step 6: Final answer
    x = 65,024.50

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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.