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Finding the Fourth Proportional to 222,091.40, 333,137.10 and 72,331.40

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Solution

The fourth proportional to 222,091.40, 333,137.10 and 72,331.40 is: 108,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,091.40 : 333,137.10 = 72,331.40 : x
  2. Step 2: Convert to fraction form
    222,091.40/333,137.10 = 72,331.40/x
  3. Step 3: Cross multiply
    222,091.40x = 333,137.10 × 72,331.40
  4. Step 4: Simplify right side
    222,091.40x = 24,096,272,834.94
  5. Step 5: Solve for x
    x = 24,096,272,834.94/222,091.40
  6. Step 6: Final answer
    x = 108,497.10

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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.