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Finding the Fourth Proportional to 227,251.56, 313,607.88 and 136,659.72

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Solution

The fourth proportional to 227,251.56, 313,607.88 and 136,659.72 is: 188,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,251.56 : 313,607.88 = 136,659.72 : x
  2. Step 2: Convert to fraction form
    227,251.56/313,607.88 = 136,659.72/x
  3. Step 3: Cross multiply
    227,251.56x = 313,607.88 × 136,659.72
  4. Step 4: Simplify right side
    227,251.56x = 42,857,565,070.59
  5. Step 5: Solve for x
    x = 42,857,565,070.59/227,251.56
  6. Step 6: Final answer
    x = 188,590.85

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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.