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Finding the Fourth Proportional to 114,937.48, 158,620.86 and 63,961.59

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Solution

The fourth proportional to 114,937.48, 158,620.86 and 63,961.59 is: 88,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,937.48 : 158,620.86 = 63,961.59 : x
  2. Step 2: Convert to fraction form
    114,937.48/158,620.86 = 63,961.59/x
  3. Step 3: Cross multiply
    114,937.48x = 158,620.86 × 63,961.59
  4. Step 4: Simplify right side
    114,937.48x = 10,145,642,412.77
  5. Step 5: Solve for x
    x = 10,145,642,412.77/114,937.48
  6. Step 6: Final answer
    x = 88,270.97

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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.