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Finding the Fourth Proportional to 222,886.75, 307,589.13 and 122,284.75

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Solution

The fourth proportional to 222,886.75, 307,589.13 and 122,284.75 is: 168,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,886.75 : 307,589.13 = 122,284.75 : x
  2. Step 2: Convert to fraction form
    222,886.75/307,589.13 = 122,284.75/x
  3. Step 3: Cross multiply
    222,886.75x = 307,589.13 × 122,284.75
  4. Step 4: Simplify right side
    222,886.75x = 37,613,459,864.77
  5. Step 5: Solve for x
    x = 37,613,459,864.77/222,886.75
  6. Step 6: Final answer
    x = 168,755.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.