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Finding the Fourth Proportional to 84,697.66, 116,881.97 and 46,456.43

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Solution

The fourth proportional to 84,697.66, 116,881.97 and 46,456.43 is: 64,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.66 : 116,881.97 = 46,456.43 : x
  2. Step 2: Convert to fraction form
    84,697.66/116,881.97 = 46,456.43/x
  3. Step 3: Cross multiply
    84,697.66x = 116,881.97 × 46,456.43
  4. Step 4: Simplify right side
    84,697.66x = 5,429,919,057.57
  5. Step 5: Solve for x
    x = 5,429,919,057.57/84,697.66
  6. Step 6: Final answer
    x = 64,109.43

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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.