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Finding the Fourth Proportional to 124,544.22, 171,893 and 73,553.52

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Solution

The fourth proportional to 124,544.22, 171,893 and 73,553.52 is: 101,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,544.22 : 171,893 = 73,553.52 : x
  2. Step 2: Convert to fraction form
    124,544.22/171,893 = 73,553.52/x
  3. Step 3: Cross multiply
    124,544.22x = 171,893 × 73,553.52
  4. Step 4: Simplify right side
    124,544.22x = 12,643,335,213.36
  5. Step 5: Solve for x
    x = 12,643,335,213.36/124,544.22
  6. Step 6: Final answer
    x = 101,516.84

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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.