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Finding the Fourth Proportional to 229,621.42, 344,438.61 and 63,409.42

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Solution

The fourth proportional to 229,621.42, 344,438.61 and 63,409.42 is: 95,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,621.42 : 344,438.61 = 63,409.42 : x
  2. Step 2: Convert to fraction form
    229,621.42/344,438.61 = 63,409.42/x
  3. Step 3: Cross multiply
    229,621.42x = 344,438.61 × 63,409.42
  4. Step 4: Simplify right side
    229,621.42x = 21,840,651,624.61
  5. Step 5: Solve for x
    x = 21,840,651,624.61/229,621.42
  6. Step 6: Final answer
    x = 95,115.92

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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.