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Finding the Fourth Proportional to 222,118.69, 333,177.77 and 72,358.73

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Solution

The fourth proportional to 222,118.69, 333,177.77 and 72,358.73 is: 108,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.69 : 333,177.77 = 72,358.73 : x
  2. Step 2: Convert to fraction form
    222,118.69/333,177.77 = 72,358.73/x
  3. Step 3: Cross multiply
    222,118.69x = 333,177.77 × 72,358.73
  4. Step 4: Simplify right side
    222,118.69x = 24,108,320,301.43
  5. Step 5: Solve for x
    x = 24,108,320,301.43/222,118.69
  6. Step 6: Final answer
    x = 108,538.01

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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.