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Finding the Fourth Proportional to 240,563.50, 360,779.46 and 133,815.94

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Solution

The fourth proportional to 240,563.50, 360,779.46 and 133,815.94 is: 200,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,563.50 : 360,779.46 = 133,815.94 : x
  2. Step 2: Convert to fraction form
    240,563.50/360,779.46 = 133,815.94/x
  3. Step 3: Cross multiply
    240,563.50x = 360,779.46 × 133,815.94
  4. Step 4: Simplify right side
    240,563.50x = 48,278,042,572.59
  5. Step 5: Solve for x
    x = 48,278,042,572.59/240,563.50
  6. Step 6: Final answer
    x = 200,687.31

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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.