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Finding the Fourth Proportional to 240,636.70, 360,947.40 and 114,367.78

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Solution

The fourth proportional to 240,636.70, 360,947.40 and 114,367.78 is: 171,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,636.70 : 360,947.40 = 114,367.78 : x
  2. Step 2: Convert to fraction form
    240,636.70/360,947.40 = 114,367.78/x
  3. Step 3: Cross multiply
    240,636.70x = 360,947.40 × 114,367.78
  4. Step 4: Simplify right side
    240,636.70x = 41,280,752,834.77
  5. Step 5: Solve for x
    x = 41,280,752,834.77/240,636.70
  6. Step 6: Final answer
    x = 171,548.03

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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.