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Finding the Fourth Proportional to 292,896.81, 404,034.94 and 170,375.39

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Solution

The fourth proportional to 292,896.81, 404,034.94 and 170,375.39 is: 235,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,896.81 : 404,034.94 = 170,375.39 : x
  2. Step 2: Convert to fraction form
    292,896.81/404,034.94 = 170,375.39/x
  3. Step 3: Cross multiply
    292,896.81x = 404,034.94 × 170,375.39
  4. Step 4: Simplify right side
    292,896.81x = 68,837,611,486.21
  5. Step 5: Solve for x
    x = 68,837,611,486.21/292,896.81
  6. Step 6: Final answer
    x = 235,023.42

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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.