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Finding the Fourth Proportional to 164,745.66, 227,373.30 and 104,321.82

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Solution

The fourth proportional to 164,745.66, 227,373.30 and 104,321.82 is: 143,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,745.66 : 227,373.30 = 104,321.82 : x
  2. Step 2: Convert to fraction form
    164,745.66/227,373.30 = 104,321.82/x
  3. Step 3: Cross multiply
    164,745.66x = 227,373.30 × 104,321.82
  4. Step 4: Simplify right side
    164,745.66x = 23,719,996,475.41
  5. Step 5: Solve for x
    x = 23,719,996,475.41/164,745.66
  6. Step 6: Final answer
    x = 143,979.49

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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.