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Finding the Fourth Proportional to 252,484.60, 348,466.50 and 161,942.68

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Solution

The fourth proportional to 252,484.60, 348,466.50 and 161,942.68 is: 223,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,484.60 : 348,466.50 = 161,942.68 : x
  2. Step 2: Convert to fraction form
    252,484.60/348,466.50 = 161,942.68/x
  3. Step 3: Cross multiply
    252,484.60x = 348,466.50 × 161,942.68
  4. Step 4: Simplify right side
    252,484.60x = 56,431,598,900.22
  5. Step 5: Solve for x
    x = 56,431,598,900.22/252,484.60
  6. Step 6: Final answer
    x = 223,505.11

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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.