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Finding the Fourth Proportional to 84,759.01, 116,972.90 and 47,033.26

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Solution

The fourth proportional to 84,759.01, 116,972.90 and 47,033.26 is: 64,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.01 : 116,972.90 = 47,033.26 : x
  2. Step 2: Convert to fraction form
    84,759.01/116,972.90 = 47,033.26/x
  3. Step 3: Cross multiply
    84,759.01x = 116,972.90 × 47,033.26
  4. Step 4: Simplify right side
    84,759.01x = 5,501,615,998.62
  5. Step 5: Solve for x
    x = 5,501,615,998.62/84,759.01
  6. Step 6: Final answer
    x = 64,908.93

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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.