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Finding the Fourth Proportional to 84,718.76, 116,906.34 and 46,991.72

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Solution

The fourth proportional to 84,718.76, 116,906.34 and 46,991.72 is: 64,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.76 : 116,906.34 = 46,991.72 : x
  2. Step 2: Convert to fraction form
    84,718.76/116,906.34 = 46,991.72/x
  3. Step 3: Cross multiply
    84,718.76x = 116,906.34 × 46,991.72
  4. Step 4: Simplify right side
    84,718.76x = 5,493,629,995.50
  5. Step 5: Solve for x
    x = 5,493,629,995.50/84,718.76
  6. Step 6: Final answer
    x = 64,845.50

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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.