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Finding the Fourth Proportional to 158,137.64, 218,194.26 and 94,463

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Solution

The fourth proportional to 158,137.64, 218,194.26 and 94,463 is: 130,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,137.64 : 218,194.26 = 94,463 : x
  2. Step 2: Convert to fraction form
    158,137.64/218,194.26 = 94,463/x
  3. Step 3: Cross multiply
    158,137.64x = 218,194.26 × 94,463
  4. Step 4: Simplify right side
    158,137.64x = 20,611,284,382.38
  5. Step 5: Solve for x
    x = 20,611,284,382.38/158,137.64
  6. Step 6: Final answer
    x = 130,337.62

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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.