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Finding the Fourth Proportional to 182,891.40, 252,250.56 and 157,439.58

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Solution

The fourth proportional to 182,891.40, 252,250.56 and 157,439.58 is: 217,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,891.40 : 252,250.56 = 157,439.58 : x
  2. Step 2: Convert to fraction form
    182,891.40/252,250.56 = 157,439.58/x
  3. Step 3: Cross multiply
    182,891.40x = 252,250.56 × 157,439.58
  4. Step 4: Simplify right side
    182,891.40x = 39,714,222,221.16
  5. Step 5: Solve for x
    x = 39,714,222,221.16/182,891.40
  6. Step 6: Final answer
    x = 217,146.47

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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.