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Finding the Fourth Proportional to 124,111.54, 171,268.86 and 67,522.96

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Solution

The fourth proportional to 124,111.54, 171,268.86 and 67,522.96 is: 93,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111.54 : 171,268.86 = 67,522.96 : x
  2. Step 2: Convert to fraction form
    124,111.54/171,268.86 = 67,522.96/x
  3. Step 3: Cross multiply
    124,111.54x = 171,268.86 × 67,522.96
  4. Step 4: Simplify right side
    124,111.54x = 11,564,580,383.03
  5. Step 5: Solve for x
    x = 11,564,580,383.03/124,111.54
  6. Step 6: Final answer
    x = 93,178.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.