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Finding the Fourth Proportional to 171,344.61, 257,041.49 and 53,025.03

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Solution

The fourth proportional to 171,344.61, 257,041.49 and 53,025.03 is: 79,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,344.61 : 257,041.49 = 53,025.03 : x
  2. Step 2: Convert to fraction form
    171,344.61/257,041.49 = 53,025.03/x
  3. Step 3: Cross multiply
    171,344.61x = 257,041.49 × 53,025.03
  4. Step 4: Simplify right side
    171,344.61x = 13,629,632,453.37
  5. Step 5: Solve for x
    x = 13,629,632,453.37/171,344.61
  6. Step 6: Final answer
    x = 79,545.15

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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.