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Finding the Fourth Proportional to 171,556.45, 236,837.52 and 133,230.01

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Solution

The fourth proportional to 171,556.45, 236,837.52 and 133,230.01 is: 183,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,556.45 : 236,837.52 = 133,230.01 : x
  2. Step 2: Convert to fraction form
    171,556.45/236,837.52 = 133,230.01/x
  3. Step 3: Cross multiply
    171,556.45x = 236,837.52 × 133,230.01
  4. Step 4: Simplify right side
    171,556.45x = 31,553,865,157.98
  5. Step 5: Solve for x
    x = 31,553,865,157.98/171,556.45
  6. Step 6: Final answer
    x = 183,927.01

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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.