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Finding the Fourth Proportional to 171,648.10, 257,408.91 and 59,299.48

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Solution

The fourth proportional to 171,648.10, 257,408.91 and 59,299.48 is: 88,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648.10 : 257,408.91 = 59,299.48 : x
  2. Step 2: Convert to fraction form
    171,648.10/257,408.91 = 59,299.48/x
  3. Step 3: Cross multiply
    171,648.10x = 257,408.91 × 59,299.48
  4. Step 4: Simplify right side
    171,648.10x = 15,264,214,510.37
  5. Step 5: Solve for x
    x = 15,264,214,510.37/171,648.10
  6. Step 6: Final answer
    x = 88,927.37

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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.