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Finding the Fourth Proportional to 117,274.30, 161,838.12 and 63,560.62

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Solution

The fourth proportional to 117,274.30, 161,838.12 and 63,560.62 is: 87,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,274.30 : 161,838.12 = 63,560.62 : x
  2. Step 2: Convert to fraction form
    117,274.30/161,838.12 = 63,560.62/x
  3. Step 3: Cross multiply
    117,274.30x = 161,838.12 × 63,560.62
  4. Step 4: Simplify right side
    117,274.30x = 10,286,531,246.83
  5. Step 5: Solve for x
    x = 10,286,531,246.83/117,274.30
  6. Step 6: Final answer
    x = 87,713.43

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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.