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Finding the Fourth Proportional to 223,856.41, 308,906.23 and 127,062.25

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Solution

The fourth proportional to 223,856.41, 308,906.23 and 127,062.25 is: 175,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,856.41 : 308,906.23 = 127,062.25 : x
  2. Step 2: Convert to fraction form
    223,856.41/308,906.23 = 127,062.25/x
  3. Step 3: Cross multiply
    223,856.41x = 308,906.23 × 127,062.25
  4. Step 4: Simplify right side
    223,856.41x = 39,250,320,622.82
  5. Step 5: Solve for x
    x = 39,250,320,622.82/223,856.41
  6. Step 6: Final answer
    x = 175,337.04

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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.