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Finding the Fourth Proportional to 228,997.26, 316,016.24 and 127,019.27

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Solution

The fourth proportional to 228,997.26, 316,016.24 and 127,019.27 is: 175,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,997.26 : 316,016.24 = 127,019.27 : x
  2. Step 2: Convert to fraction form
    228,997.26/316,016.24 = 127,019.27/x
  3. Step 3: Cross multiply
    228,997.26x = 316,016.24 × 127,019.27
  4. Step 4: Simplify right side
    228,997.26x = 40,140,152,267.89
  5. Step 5: Solve for x
    x = 40,140,152,267.89/228,997.26
  6. Step 6: Final answer
    x = 175,286.61

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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.