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Finding the Fourth Proportional to 229,625.80, 343,824.30 and 146,067.40

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Solution

The fourth proportional to 229,625.80, 343,824.30 and 146,067.40 is: 218,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,625.80 : 343,824.30 = 146,067.40 : x
  2. Step 2: Convert to fraction form
    229,625.80/343,824.30 = 146,067.40/x
  3. Step 3: Cross multiply
    229,625.80x = 343,824.30 × 146,067.40
  4. Step 4: Simplify right side
    229,625.80x = 50,221,521,557.82
  5. Step 5: Solve for x
    x = 50,221,521,557.82/229,625.80
  6. Step 6: Final answer
    x = 218,710.27

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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.