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Finding the Fourth Proportional to 222,247.76, 333,337.82 and 72,487.85

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Solution

The fourth proportional to 222,247.76, 333,337.82 and 72,487.85 is: 108,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,247.76 : 333,337.82 = 72,487.85 : x
  2. Step 2: Convert to fraction form
    222,247.76/333,337.82 = 72,487.85/x
  3. Step 3: Cross multiply
    222,247.76x = 333,337.82 × 72,487.85
  4. Step 4: Simplify right side
    222,247.76x = 24,162,939,866.36
  5. Step 5: Solve for x
    x = 24,162,939,866.36/222,247.76
  6. Step 6: Final answer
    x = 108,720.74

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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.