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Finding the Fourth Proportional to 222,115.90, 333,173.59 and 72,355.95

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Solution

The fourth proportional to 222,115.90, 333,173.59 and 72,355.95 is: 108,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115.90 : 333,173.59 = 72,355.95 : x
  2. Step 2: Convert to fraction form
    222,115.90/333,173.59 = 72,355.95/x
  3. Step 3: Cross multiply
    222,115.90x = 333,173.59 × 72,355.95
  4. Step 4: Simplify right side
    222,115.90x = 24,107,090,876.87
  5. Step 5: Solve for x
    x = 24,107,090,876.87/222,115.90
  6. Step 6: Final answer
    x = 108,533.84

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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.