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Finding the Fourth Proportional to 166,058.56, 229,163.68 and 90,607.68

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Solution

The fourth proportional to 166,058.56, 229,163.68 and 90,607.68 is: 125,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,058.56 : 229,163.68 = 90,607.68 : x
  2. Step 2: Convert to fraction form
    166,058.56/229,163.68 = 90,607.68/x
  3. Step 3: Cross multiply
    166,058.56x = 229,163.68 × 90,607.68
  4. Step 4: Simplify right side
    166,058.56x = 20,763,989,385.06
  5. Step 5: Solve for x
    x = 20,763,989,385.06/166,058.56
  6. Step 6: Final answer
    x = 125,040.16

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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.