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Finding the Fourth Proportional to 222,381.64, 333,590.84 and 72,618.60

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Solution

The fourth proportional to 222,381.64, 333,590.84 and 72,618.60 is: 108,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,381.64 : 333,590.84 = 72,618.60 : x
  2. Step 2: Convert to fraction form
    222,381.64/333,590.84 = 72,618.60/x
  3. Step 3: Cross multiply
    222,381.64x = 333,590.84 × 72,618.60
  4. Step 4: Simplify right side
    222,381.64x = 24,224,899,773.62
  5. Step 5: Solve for x
    x = 24,224,899,773.62/222,381.64
  6. Step 6: Final answer
    x = 108,933.90

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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.