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Finding the Fourth Proportional to 240,644.25, 332,176.55 and 140,042.25

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Solution

The fourth proportional to 240,644.25, 332,176.55 and 140,042.25 is: 193,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,644.25 : 332,176.55 = 140,042.25 : x
  2. Step 2: Convert to fraction form
    240,644.25/332,176.55 = 140,042.25/x
  3. Step 3: Cross multiply
    240,644.25x = 332,176.55 × 140,042.25
  4. Step 4: Simplify right side
    240,644.25x = 46,518,750,759.03
  5. Step 5: Solve for x
    x = 46,518,750,759.03/240,644.25
  6. Step 6: Final answer
    x = 193,309.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.