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Finding the Fourth Proportional to 196,666.88, 294,721.28 and 151,517.44

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Solution

The fourth proportional to 196,666.88, 294,721.28 and 151,517.44 is: 227,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,666.88 : 294,721.28 = 151,517.44 : x
  2. Step 2: Convert to fraction form
    196,666.88/294,721.28 = 151,517.44/x
  3. Step 3: Cross multiply
    196,666.88x = 294,721.28 × 151,517.44
  4. Step 4: Simplify right side
    196,666.88x = 44,655,413,859.12
  5. Step 5: Solve for x
    x = 44,655,413,859.12/196,666.88
  6. Step 6: Final answer
    x = 227,061.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.