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Finding the Fourth Proportional to 171,806.63, 257,648.13 and 59,456.30

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Solution

The fourth proportional to 171,806.63, 257,648.13 and 59,456.30 is: 89,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,806.63 : 257,648.13 = 59,456.30 : x
  2. Step 2: Convert to fraction form
    171,806.63/257,648.13 = 59,456.30/x
  3. Step 3: Cross multiply
    171,806.63x = 257,648.13 × 59,456.30
  4. Step 4: Simplify right side
    171,806.63x = 15,318,803,223.48
  5. Step 5: Solve for x
    x = 15,318,803,223.48/171,806.63
  6. Step 6: Final answer
    x = 89,163.05

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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.