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Finding the Fourth Proportional to 107,072.40, 160,608.60 and 67,501.20

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Solution

The fourth proportional to 107,072.40, 160,608.60 and 67,501.20 is: 101,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,072.40 : 160,608.60 = 67,501.20 : x
  2. Step 2: Convert to fraction form
    107,072.40/160,608.60 = 67,501.20/x
  3. Step 3: Cross multiply
    107,072.40x = 160,608.60 × 67,501.20
  4. Step 4: Simplify right side
    107,072.40x = 10,841,273,230.32
  5. Step 5: Solve for x
    x = 10,841,273,230.32/107,072.40
  6. Step 6: Final answer
    x = 101,251.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.