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Finding the Fourth Proportional to 229,871.20, 344,150.70 and 223,310.20

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Solution

The fourth proportional to 229,871.20, 344,150.70 and 223,310.20 is: 334,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,871.20 : 344,150.70 = 223,310.20 : x
  2. Step 2: Convert to fraction form
    229,871.20/344,150.70 = 223,310.20/x
  3. Step 3: Cross multiply
    229,871.20x = 344,150.70 × 223,310.20
  4. Step 4: Simplify right side
    229,871.20x = 76,852,361,647.14
  5. Step 5: Solve for x
    x = 76,852,361,647.14/229,871.20
  6. Step 6: Final answer
    x = 334,327.93

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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.