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Finding the Fourth Proportional to 222,230.32, 306,689.28 and 124,126.88

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Solution

The fourth proportional to 222,230.32, 306,689.28 and 124,126.88 is: 171,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,230.32 : 306,689.28 = 124,126.88 : x
  2. Step 2: Convert to fraction form
    222,230.32/306,689.28 = 124,126.88/x
  3. Step 3: Cross multiply
    222,230.32x = 306,689.28 × 124,126.88
  4. Step 4: Simplify right side
    222,230.32x = 38,068,383,455.85
  5. Step 5: Solve for x
    x = 38,068,383,455.85/222,230.32
  6. Step 6: Final answer
    x = 171,301.48

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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.