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Finding the Fourth Proportional to 111,310.90, 153,608.70 and 60,325.09

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Solution

The fourth proportional to 111,310.90, 153,608.70 and 60,325.09 is: 83,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,310.90 : 153,608.70 = 60,325.09 : x
  2. Step 2: Convert to fraction form
    111,310.90/153,608.70 = 60,325.09/x
  3. Step 3: Cross multiply
    111,310.90x = 153,608.70 × 60,325.09
  4. Step 4: Simplify right side
    111,310.90x = 9,266,458,652.28
  5. Step 5: Solve for x
    x = 9,266,458,652.28/111,310.90
  6. Step 6: Final answer
    x = 83,248.44

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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.