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Finding the Fourth Proportional to 166,633, 229,953.56 and 91,181.52

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Solution

The fourth proportional to 166,633, 229,953.56 and 91,181.52 is: 125,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,633 : 229,953.56 = 91,181.52 : x
  2. Step 2: Convert to fraction form
    166,633/229,953.56 = 91,181.52/x
  3. Step 3: Cross multiply
    166,633x = 229,953.56 × 91,181.52
  4. Step 4: Simplify right side
    166,633x = 20,967,515,130.21
  5. Step 5: Solve for x
    x = 20,967,515,130.21/166,633
  6. Step 6: Final answer
    x = 125,830.51

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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.