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Finding the Fourth Proportional to 187,367.78, 258,651.96 and 119,476.01

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Solution

The fourth proportional to 187,367.78, 258,651.96 and 119,476.01 is: 164,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.78 : 258,651.96 = 119,476.01 : x
  2. Step 2: Convert to fraction form
    187,367.78/258,651.96 = 119,476.01/x
  3. Step 3: Cross multiply
    187,367.78x = 258,651.96 × 119,476.01
  4. Step 4: Simplify right side
    187,367.78x = 30,902,702,866.22
  5. Step 5: Solve for x
    x = 30,902,702,866.22/187,367.78
  6. Step 6: Final answer
    x = 164,930.72

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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.