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Finding the Fourth Proportional to 227,620.52, 313,923.52 and 136,959.56

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Solution

The fourth proportional to 227,620.52, 313,923.52 and 136,959.56 is: 188,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,620.52 : 313,923.52 = 136,959.56 : x
  2. Step 2: Convert to fraction form
    227,620.52/313,923.52 = 136,959.56/x
  3. Step 3: Cross multiply
    227,620.52x = 313,923.52 × 136,959.56
  4. Step 4: Simplify right side
    227,620.52x = 42,994,827,172.85
  5. Step 5: Solve for x
    x = 42,994,827,172.85/227,620.52
  6. Step 6: Final answer
    x = 188,888.19

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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.