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Finding the Fourth Proportional to 255,626.15, 352,766.61 and 140,908.82

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Solution

The fourth proportional to 255,626.15, 352,766.61 and 140,908.82 is: 194,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,626.15 : 352,766.61 = 140,908.82 : x
  2. Step 2: Convert to fraction form
    255,626.15/352,766.61 = 140,908.82/x
  3. Step 3: Cross multiply
    255,626.15x = 352,766.61 × 140,908.82
  4. Step 4: Simplify right side
    255,626.15x = 49,707,924,986.67
  5. Step 5: Solve for x
    x = 49,707,924,986.67/255,626.15
  6. Step 6: Final answer
    x = 194,455.56

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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.