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Finding the Fourth Proportional to 124,353.36, 171,664.92 and 73,348.74

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Solution

The fourth proportional to 124,353.36, 171,664.92 and 73,348.74 is: 101,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,353.36 : 171,664.92 = 73,348.74 : x
  2. Step 2: Convert to fraction form
    124,353.36/171,664.92 = 73,348.74/x
  3. Step 3: Cross multiply
    124,353.36x = 171,664.92 × 73,348.74
  4. Step 4: Simplify right side
    124,353.36x = 12,591,405,584.20
  5. Step 5: Solve for x
    x = 12,591,405,584.20/124,353.36
  6. Step 6: Final answer
    x = 101,255.05

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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.