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Finding the Fourth Proportional to 114,022.76, 157,351.62 and 63,721.76

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Solution

The fourth proportional to 114,022.76, 157,351.62 and 63,721.76 is: 87,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.76 : 157,351.62 = 63,721.76 : x
  2. Step 2: Convert to fraction form
    114,022.76/157,351.62 = 63,721.76/x
  3. Step 3: Cross multiply
    114,022.76x = 157,351.62 × 63,721.76
  4. Step 4: Simplify right side
    114,022.76x = 10,026,722,165.25
  5. Step 5: Solve for x
    x = 10,026,722,165.25/114,022.76
  6. Step 6: Final answer
    x = 87,936.15

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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.