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Finding the Fourth Proportional to 225,680.88, 311,366.40 and 133,807.44

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Solution

The fourth proportional to 225,680.88, 311,366.40 and 133,807.44 is: 184,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,680.88 : 311,366.40 = 133,807.44 : x
  2. Step 2: Convert to fraction form
    225,680.88/311,366.40 = 133,807.44/x
  3. Step 3: Cross multiply
    225,680.88x = 311,366.40 × 133,807.44
  4. Step 4: Simplify right side
    225,680.88x = 41,663,140,886.02
  5. Step 5: Solve for x
    x = 41,663,140,886.02/225,680.88
  6. Step 6: Final answer
    x = 184,610.86

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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.