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Finding the Fourth Proportional to 227,392.45, 313,924.61 and 136,768.64

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Solution

The fourth proportional to 227,392.45, 313,924.61 and 136,768.64 is: 188,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,392.45 : 313,924.61 = 136,768.64 : x
  2. Step 2: Convert to fraction form
    227,392.45/313,924.61 = 136,768.64/x
  3. Step 3: Cross multiply
    227,392.45x = 313,924.61 × 136,768.64
  4. Step 4: Simplify right side
    227,392.45x = 42,935,041,288.39
  5. Step 5: Solve for x
    x = 42,935,041,288.39/227,392.45
  6. Step 6: Final answer
    x = 188,814.72

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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.