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Finding the Fourth Proportional to 124,544.48, 171,893.34 and 73,553.76

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Solution

The fourth proportional to 124,544.48, 171,893.34 and 73,553.76 is: 101,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,544.48 : 171,893.34 = 73,553.76 : x
  2. Step 2: Convert to fraction form
    124,544.48/171,893.34 = 73,553.76/x
  3. Step 3: Cross multiply
    124,544.48x = 171,893.34 × 73,553.76
  4. Step 4: Simplify right side
    124,544.48x = 12,643,401,475.96
  5. Step 5: Solve for x
    x = 12,643,401,475.96/124,544.48
  6. Step 6: Final answer
    x = 101,517.16

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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.