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Finding the Fourth Proportional to 222,571.30, 333,856.95 and 133,779.10

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Solution

The fourth proportional to 222,571.30, 333,856.95 and 133,779.10 is: 200,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,571.30 : 333,856.95 = 133,779.10 : x
  2. Step 2: Convert to fraction form
    222,571.30/333,856.95 = 133,779.10/x
  3. Step 3: Cross multiply
    222,571.30x = 333,856.95 × 133,779.10
  4. Step 4: Simplify right side
    222,571.30x = 44,663,082,299.75
  5. Step 5: Solve for x
    x = 44,663,082,299.75/222,571.30
  6. Step 6: Final answer
    x = 200,668.65

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1.5x scale

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.