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Finding the Fourth Proportional to 114,873.75, 158,531.04 and 63,891.63

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Solution

The fourth proportional to 114,873.75, 158,531.04 and 63,891.63 is: 88,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,873.75 : 158,531.04 = 63,891.63 : x
  2. Step 2: Convert to fraction form
    114,873.75/158,531.04 = 63,891.63/x
  3. Step 3: Cross multiply
    114,873.75x = 158,531.04 × 63,891.63
  4. Step 4: Simplify right side
    114,873.75x = 10,128,806,551.20
  5. Step 5: Solve for x
    x = 10,128,806,551.20/114,873.75
  6. Step 6: Final answer
    x = 88,173.38

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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.