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Finding the Fourth Proportional to 124,168.50, 171,352.53 and 67,580.28

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Solution

The fourth proportional to 124,168.50, 171,352.53 and 67,580.28 is: 93,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.50 : 171,352.53 = 67,580.28 : x
  2. Step 2: Convert to fraction form
    124,168.50/171,352.53 = 67,580.28/x
  3. Step 3: Cross multiply
    124,168.50x = 171,352.53 × 67,580.28
  4. Step 4: Simplify right side
    124,168.50x = 11,580,051,956.11
  5. Step 5: Solve for x
    x = 11,580,051,956.11/124,168.50
  6. Step 6: Final answer
    x = 93,260.79

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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.