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Finding the Fourth Proportional to 114,704.76, 158,297.01 and 63,721.36

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Solution

The fourth proportional to 114,704.76, 158,297.01 and 63,721.36 is: 87,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,704.76 : 158,297.01 = 63,721.36 : x
  2. Step 2: Convert to fraction form
    114,704.76/158,297.01 = 63,721.36/x
  3. Step 3: Cross multiply
    114,704.76x = 158,297.01 × 63,721.36
  4. Step 4: Simplify right side
    114,704.76x = 10,086,900,761.13
  5. Step 5: Solve for x
    x = 10,086,900,761.13/114,704.76
  6. Step 6: Final answer
    x = 87,937.94

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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.