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Finding the Fourth Proportional to 55,097.44, 76,034.16 and 31,228.62

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Solution

The fourth proportional to 55,097.44, 76,034.16 and 31,228.62 is: 43,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,097.44 : 76,034.16 = 31,228.62 : x
  2. Step 2: Convert to fraction form
    55,097.44/76,034.16 = 31,228.62/x
  3. Step 3: Cross multiply
    55,097.44x = 76,034.16 × 31,228.62
  4. Step 4: Simplify right side
    55,097.44x = 2,374,441,889.66
  5. Step 5: Solve for x
    x = 2,374,441,889.66/55,097.44
  6. Step 6: Final answer
    x = 43,095.32

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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.