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Finding the Fourth Proportional to 84,793.97, 117,009.83 and 47,065.25

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Solution

The fourth proportional to 84,793.97, 117,009.83 and 47,065.25 is: 64,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.97 : 117,009.83 = 47,065.25 : x
  2. Step 2: Convert to fraction form
    84,793.97/117,009.83 = 47,065.25/x
  3. Step 3: Cross multiply
    84,793.97x = 117,009.83 × 47,065.25
  4. Step 4: Simplify right side
    84,793.97x = 5,507,096,666.08
  5. Step 5: Solve for x
    x = 5,507,096,666.08/84,793.97
  6. Step 6: Final answer
    x = 64,946.80

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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.