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Finding the Fourth Proportional to 222,403.66, 333,649.06 and 72,603.73

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Solution

The fourth proportional to 222,403.66, 333,649.06 and 72,603.73 is: 108,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,403.66 : 333,649.06 = 72,603.73 : x
  2. Step 2: Convert to fraction form
    222,403.66/333,649.06 = 72,603.73/x
  3. Step 3: Cross multiply
    222,403.66x = 333,649.06 × 72,603.73
  4. Step 4: Simplify right side
    222,403.66x = 24,224,166,339.65
  5. Step 5: Solve for x
    x = 24,224,166,339.65/222,403.66
  6. Step 6: Final answer
    x = 108,919.82

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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.