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Finding the Fourth Proportional to 148,491.46, 222,719.10 and 43,310.53

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Solution

The fourth proportional to 148,491.46, 222,719.10 and 43,310.53 is: 64,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,491.46 : 222,719.10 = 43,310.53 : x
  2. Step 2: Convert to fraction form
    148,491.46/222,719.10 = 43,310.53/x
  3. Step 3: Cross multiply
    148,491.46x = 222,719.10 × 43,310.53
  4. Step 4: Simplify right side
    148,491.46x = 9,646,082,262.12
  5. Step 5: Solve for x
    x = 9,646,082,262.12/148,491.46
  6. Step 6: Final answer
    x = 64,960.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.