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Finding the Fourth Proportional to 164,715.63, 227,331.90 and 104,291.88

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Solution

The fourth proportional to 164,715.63, 227,331.90 and 104,291.88 is: 143,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,715.63 : 227,331.90 = 104,291.88 : x
  2. Step 2: Convert to fraction form
    164,715.63/227,331.90 = 104,291.88/x
  3. Step 3: Cross multiply
    164,715.63x = 227,331.90 × 104,291.88
  4. Step 4: Simplify right side
    164,715.63x = 23,708,871,234.97
  5. Step 5: Solve for x
    x = 23,708,871,234.97/164,715.63
  6. Step 6: Final answer
    x = 143,938.20

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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.