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Finding the Fourth Proportional to 171,878.37, 237,235.74 and 117,452.57

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Solution

The fourth proportional to 171,878.37, 237,235.74 and 117,452.57 is: 162,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,878.37 : 237,235.74 = 117,452.57 : x
  2. Step 2: Convert to fraction form
    171,878.37/237,235.74 = 117,452.57/x
  3. Step 3: Cross multiply
    171,878.37x = 237,235.74 × 117,452.57
  4. Step 4: Simplify right side
    171,878.37x = 27,863,946,172.67
  5. Step 5: Solve for x
    x = 27,863,946,172.67/171,878.37
  6. Step 6: Final answer
    x = 162,114.33

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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.