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Finding the Fourth Proportional to 222,649.10, 333,185.28 and 138,448.92

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Solution

The fourth proportional to 222,649.10, 333,185.28 and 138,448.92 is: 207,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,649.10 : 333,185.28 = 138,448.92 : x
  2. Step 2: Convert to fraction form
    222,649.10/333,185.28 = 138,448.92/x
  3. Step 3: Cross multiply
    222,649.10x = 333,185.28 × 138,448.92
  4. Step 4: Simplify right side
    222,649.10x = 46,129,142,175.90
  5. Step 5: Solve for x
    x = 46,129,142,175.90/222,649.10
  6. Step 6: Final answer
    x = 207,183.15

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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.