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Finding the Fourth Proportional to 227,759.88, 314,235.54 and 127,138.44

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Solution

The fourth proportional to 227,759.88, 314,235.54 and 127,138.44 is: 175,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,759.88 : 314,235.54 = 127,138.44 : x
  2. Step 2: Convert to fraction form
    227,759.88/314,235.54 = 127,138.44/x
  3. Step 3: Cross multiply
    227,759.88x = 314,235.54 × 127,138.44
  4. Step 4: Simplify right side
    227,759.88x = 39,951,416,348.16
  5. Step 5: Solve for x
    x = 39,951,416,348.16/227,759.88
  6. Step 6: Final answer
    x = 175,410.24

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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.