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Finding the Fourth Proportional to 255,604.07, 352,749.03 and 140,882.56

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Solution

The fourth proportional to 255,604.07, 352,749.03 and 140,882.56 is: 194,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,604.07 : 352,749.03 = 140,882.56 : x
  2. Step 2: Convert to fraction form
    255,604.07/352,749.03 = 140,882.56/x
  3. Step 3: Cross multiply
    255,604.07x = 352,749.03 × 140,882.56
  4. Step 4: Simplify right side
    255,604.07x = 49,696,184,973.73
  5. Step 5: Solve for x
    x = 49,696,184,973.73/255,604.07
  6. Step 6: Final answer
    x = 194,426.42

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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.