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Finding the Fourth Proportional to 345,060.88, 517,598.21 and 92,340.97

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Solution

The fourth proportional to 345,060.88, 517,598.21 and 92,340.97 is: 138,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,060.88 : 517,598.21 = 92,340.97 : x
  2. Step 2: Convert to fraction form
    345,060.88/517,598.21 = 92,340.97/x
  3. Step 3: Cross multiply
    345,060.88x = 517,598.21 × 92,340.97
  4. Step 4: Simplify right side
    345,060.88x = 47,795,520,781.66
  5. Step 5: Solve for x
    x = 47,795,520,781.66/345,060.88
  6. Step 6: Final answer
    x = 138,513.30

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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.