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Finding the Fourth Proportional to 172,509.75, 258,797.30 and 60,222.02

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Solution

The fourth proportional to 172,509.75, 258,797.30 and 60,222.02 is: 90,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,509.75 : 258,797.30 = 60,222.02 : x
  2. Step 2: Convert to fraction form
    172,509.75/258,797.30 = 60,222.02/x
  3. Step 3: Cross multiply
    172,509.75x = 258,797.30 × 60,222.02
  4. Step 4: Simplify right side
    172,509.75x = 15,585,294,581.45
  5. Step 5: Solve for x
    x = 15,585,294,581.45/172,509.75
  6. Step 6: Final answer
    x = 90,344.43

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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.