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Finding the Fourth Proportional to 196,156.88, 270,693.96 and 106,732.88

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Solution

The fourth proportional to 196,156.88, 270,693.96 and 106,732.88 is: 147,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,156.88 : 270,693.96 = 106,732.88 : x
  2. Step 2: Convert to fraction form
    196,156.88/270,693.96 = 106,732.88/x
  3. Step 3: Cross multiply
    196,156.88x = 270,693.96 × 106,732.88
  4. Step 4: Simplify right side
    196,156.88x = 28,891,945,949.40
  5. Step 5: Solve for x
    x = 28,891,945,949.40/196,156.88
  6. Step 6: Final answer
    x = 147,290.00

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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.