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Finding the Fourth Proportional to 111,027.89, 153,182.54 and 67,962.51

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Solution

The fourth proportional to 111,027.89, 153,182.54 and 67,962.51 is: 93,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.89 : 153,182.54 = 67,962.51 : x
  2. Step 2: Convert to fraction form
    111,027.89/153,182.54 = 67,962.51/x
  3. Step 3: Cross multiply
    111,027.89x = 153,182.54 × 67,962.51
  4. Step 4: Simplify right side
    111,027.89x = 10,410,669,566.76
  5. Step 5: Solve for x
    x = 10,410,669,566.76/111,027.89
  6. Step 6: Final answer
    x = 93,766.26

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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.