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Finding the Fourth Proportional to 252,589.60, 348,576.54 and 139,412.44

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Solution

The fourth proportional to 252,589.60, 348,576.54 and 139,412.44 is: 192,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,589.60 : 348,576.54 = 139,412.44 : x
  2. Step 2: Convert to fraction form
    252,589.60/348,576.54 = 139,412.44/x
  3. Step 3: Cross multiply
    252,589.60x = 348,576.54 × 139,412.44
  4. Step 4: Simplify right side
    252,589.60x = 48,595,905,968.16
  5. Step 5: Solve for x
    x = 48,595,905,968.16/252,589.60
  6. Step 6: Final answer
    x = 192,390.76

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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.