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Finding the Fourth Proportional to 223,377.12, 308,244.24 and 132,729.12

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Solution

The fourth proportional to 223,377.12, 308,244.24 and 132,729.12 is: 183,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,377.12 : 308,244.24 = 132,729.12 : x
  2. Step 2: Convert to fraction form
    223,377.12/308,244.24 = 132,729.12/x
  3. Step 3: Cross multiply
    223,377.12x = 308,244.24 × 132,729.12
  4. Step 4: Simplify right side
    223,377.12x = 40,912,986,720.27
  5. Step 5: Solve for x
    x = 40,912,986,720.27/223,377.12
  6. Step 6: Final answer
    x = 183,156.57

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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.