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Finding the Fourth Proportional to 171,442.33, 236,706.01 and 107,009.71

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Solution

The fourth proportional to 171,442.33, 236,706.01 and 107,009.71 is: 147,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,442.33 : 236,706.01 = 107,009.71 : x
  2. Step 2: Convert to fraction form
    171,442.33/236,706.01 = 107,009.71/x
  3. Step 3: Cross multiply
    171,442.33x = 236,706.01 × 107,009.71
  4. Step 4: Simplify right side
    171,442.33x = 25,329,841,513.72
  5. Step 5: Solve for x
    x = 25,329,841,513.72/171,442.33
  6. Step 6: Final answer
    x = 147,745.55

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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.