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Finding the Fourth Proportional to 171,675.70, 257,513.55 and 159,234.10

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Solution

The fourth proportional to 171,675.70, 257,513.55 and 159,234.10 is: 238,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,675.70 : 257,513.55 = 159,234.10 : x
  2. Step 2: Convert to fraction form
    171,675.70/257,513.55 = 159,234.10/x
  3. Step 3: Cross multiply
    171,675.70x = 257,513.55 × 159,234.10
  4. Step 4: Simplify right side
    171,675.70x = 41,004,938,372.06
  5. Step 5: Solve for x
    x = 41,004,938,372.06/171,675.70
  6. Step 6: Final answer
    x = 238,851.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.