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Finding the Fourth Proportional to 86,194.50, 118,947.24 and 48,468.84

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Solution

The fourth proportional to 86,194.50, 118,947.24 and 48,468.84 is: 66,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194.50 : 118,947.24 = 48,468.84 : x
  2. Step 2: Convert to fraction form
    86,194.50/118,947.24 = 48,468.84/x
  3. Step 3: Cross multiply
    86,194.50x = 118,947.24 × 48,468.84
  4. Step 4: Simplify right side
    86,194.50x = 5,765,234,744.00
  5. Step 5: Solve for x
    x = 5,765,234,744.00/86,194.50
  6. Step 6: Final answer
    x = 66,886.34

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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.