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Finding the Fourth Proportional to 207,083.26, 310,625.30 and 57,323.98

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Solution

The fourth proportional to 207,083.26, 310,625.30 and 57,323.98 is: 85,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,083.26 : 310,625.30 = 57,323.98 : x
  2. Step 2: Convert to fraction form
    207,083.26/310,625.30 = 57,323.98/x
  3. Step 3: Cross multiply
    207,083.26x = 310,625.30 × 57,323.98
  4. Step 4: Simplify right side
    207,083.26x = 17,806,278,484.69
  5. Step 5: Solve for x
    x = 17,806,278,484.69/207,083.26
  6. Step 6: Final answer
    x = 85,986.08

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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.