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Finding the Fourth Proportional to 124,062.45, 171,201.24 and 67,473.87

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Solution

The fourth proportional to 124,062.45, 171,201.24 and 67,473.87 is: 93,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,062.45 : 171,201.24 = 67,473.87 : x
  2. Step 2: Convert to fraction form
    124,062.45/171,201.24 = 67,473.87/x
  3. Step 3: Cross multiply
    124,062.45x = 171,201.24 × 67,473.87
  4. Step 4: Simplify right side
    124,062.45x = 11,551,610,211.60
  5. Step 5: Solve for x
    x = 11,551,610,211.60/124,062.45
  6. Step 6: Final answer
    x = 93,111.25

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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.