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Finding the Fourth Proportional to 343,358.98, 515,067.75 and 94,041.22

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Solution

The fourth proportional to 343,358.98, 515,067.75 and 94,041.22 is: 141,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,358.98 : 515,067.75 = 94,041.22 : x
  2. Step 2: Convert to fraction form
    343,358.98/515,067.75 = 94,041.22/x
  3. Step 3: Cross multiply
    343,358.98x = 515,067.75 × 94,041.22
  4. Step 4: Simplify right side
    343,358.98x = 48,437,599,592.66
  5. Step 5: Solve for x
    x = 48,437,599,592.66/343,358.98
  6. Step 6: Final answer
    x = 141,069.85

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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.