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Finding the Fourth Proportional to 222,391.62, 333,665.76 and 147,807.90

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Solution

The fourth proportional to 222,391.62, 333,665.76 and 147,807.90 is: 221,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,391.62 : 333,665.76 = 147,807.90 : x
  2. Step 2: Convert to fraction form
    222,391.62/333,665.76 = 147,807.90/x
  3. Step 3: Cross multiply
    222,391.62x = 333,665.76 × 147,807.90
  4. Step 4: Simplify right side
    222,391.62x = 49,318,435,287.50
  5. Step 5: Solve for x
    x = 49,318,435,287.50/222,391.62
  6. Step 6: Final answer
    x = 221,763.91

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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.