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Finding the Fourth Proportional to 223,580.42, 308,439.20 and 132,884.84

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Solution

The fourth proportional to 223,580.42, 308,439.20 and 132,884.84 is: 183,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,580.42 : 308,439.20 = 132,884.84 : x
  2. Step 2: Convert to fraction form
    223,580.42/308,439.20 = 132,884.84/x
  3. Step 3: Cross multiply
    223,580.42x = 308,439.20 × 132,884.84
  4. Step 4: Simplify right side
    223,580.42x = 40,986,893,741.73
  5. Step 5: Solve for x
    x = 40,986,893,741.73/223,580.42
  6. Step 6: Final answer
    x = 183,320.59

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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.