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Finding the Fourth Proportional to 172,625.68, 258,950.67 and 46,265.68

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Solution

The fourth proportional to 172,625.68, 258,950.67 and 46,265.68 is: 69,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,625.68 : 258,950.67 = 46,265.68 : x
  2. Step 2: Convert to fraction form
    172,625.68/258,950.67 = 46,265.68/x
  3. Step 3: Cross multiply
    172,625.68x = 258,950.67 × 46,265.68
  4. Step 4: Simplify right side
    172,625.68x = 11,980,528,834.01
  5. Step 5: Solve for x
    x = 11,980,528,834.01/172,625.68
  6. Step 6: Final answer
    x = 69,401.78

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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.