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Finding the Fourth Proportional to 223,172.01, 308,022.08 and 132,578.30

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Solution

The fourth proportional to 223,172.01, 308,022.08 and 132,578.30 is: 182,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,172.01 : 308,022.08 = 132,578.30 : x
  2. Step 2: Convert to fraction form
    223,172.01/308,022.08 = 132,578.30/x
  3. Step 3: Cross multiply
    223,172.01x = 308,022.08 × 132,578.30
  4. Step 4: Simplify right side
    223,172.01x = 40,837,043,836.03
  5. Step 5: Solve for x
    x = 40,837,043,836.03/223,172.01
  6. Step 6: Final answer
    x = 182,984.61

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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.