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Finding the Fourth Proportional to 222,115.41, 333,172.85 and 72,355.46

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Solution

The fourth proportional to 222,115.41, 333,172.85 and 72,355.46 is: 108,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115.41 : 333,172.85 = 72,355.46 : x
  2. Step 2: Convert to fraction form
    222,115.41/333,172.85 = 72,355.46/x
  3. Step 3: Cross multiply
    222,115.41x = 333,172.85 × 72,355.46
  4. Step 4: Simplify right side
    222,115.41x = 24,106,872,793.62
  5. Step 5: Solve for x
    x = 24,106,872,793.62/222,115.41
  6. Step 6: Final answer
    x = 108,533.09

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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.