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Finding the Fourth Proportional to 222,624.80, 333,159.60 and 155,751.20

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Solution

The fourth proportional to 222,624.80, 333,159.60 and 155,751.20 is: 233,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,624.80 : 333,159.60 = 155,751.20 : x
  2. Step 2: Convert to fraction form
    222,624.80/333,159.60 = 155,751.20/x
  3. Step 3: Cross multiply
    222,624.80x = 333,159.60 × 155,751.20
  4. Step 4: Simplify right side
    222,624.80x = 51,890,007,491.52
  5. Step 5: Solve for x
    x = 51,890,007,491.52/222,624.80
  6. Step 6: Final answer
    x = 233,082.78

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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.