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Finding the Fourth Proportional to 252,280.62, 348,325.11 and 161,869.50

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Solution

The fourth proportional to 252,280.62, 348,325.11 and 161,869.50 is: 223,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,280.62 : 348,325.11 = 161,869.50 : x
  2. Step 2: Convert to fraction form
    252,280.62/348,325.11 = 161,869.50/x
  3. Step 3: Cross multiply
    252,280.62x = 348,325.11 × 161,869.50
  4. Step 4: Simplify right side
    252,280.62x = 56,383,211,393.15
  5. Step 5: Solve for x
    x = 56,383,211,393.15/252,280.62
  6. Step 6: Final answer
    x = 223,494.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.