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Finding the Fourth Proportional to 84,793.68, 127,259.64 and 43,252.56

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Solution

The fourth proportional to 84,793.68, 127,259.64 and 43,252.56 is: 64,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.68 : 127,259.64 = 43,252.56 : x
  2. Step 2: Convert to fraction form
    84,793.68/127,259.64 = 43,252.56/x
  3. Step 3: Cross multiply
    84,793.68x = 127,259.64 × 43,252.56
  4. Step 4: Simplify right side
    84,793.68x = 5,504,305,214.68
  5. Step 5: Solve for x
    x = 5,504,305,214.68/84,793.68
  6. Step 6: Final answer
    x = 64,914.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.