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Finding the Fourth Proportional to 223,441.60, 308,227.20 and 141,619.84

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Solution

The fourth proportional to 223,441.60, 308,227.20 and 141,619.84 is: 195,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,441.60 : 308,227.20 = 141,619.84 : x
  2. Step 2: Convert to fraction form
    223,441.60/308,227.20 = 141,619.84/x
  3. Step 3: Cross multiply
    223,441.60x = 308,227.20 × 141,619.84
  4. Step 4: Simplify right side
    223,441.60x = 43,651,086,747.65
  5. Step 5: Solve for x
    x = 43,651,086,747.65/223,441.60
  6. Step 6: Final answer
    x = 195,357.92

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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.