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Finding the Fourth Proportional to 222,415.10, 333,655.05 and 72,662.30

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Solution

The fourth proportional to 222,415.10, 333,655.05 and 72,662.30 is: 109,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,415.10 : 333,655.05 = 72,662.30 : x
  2. Step 2: Convert to fraction form
    222,415.10/333,655.05 = 72,662.30/x
  3. Step 3: Cross multiply
    222,415.10x = 333,655.05 × 72,662.30
  4. Step 4: Simplify right side
    222,415.10x = 24,244,143,339.62
  5. Step 5: Solve for x
    x = 24,244,143,339.62/222,415.10
  6. Step 6: Final answer
    x = 109,004.03

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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.