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Finding the Fourth Proportional to 207,501.80, 310,734.30 and 166,029.80

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Solution

The fourth proportional to 207,501.80, 310,734.30 and 166,029.80 is: 248,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,501.80 : 310,734.30 = 166,029.80 : x
  2. Step 2: Convert to fraction form
    207,501.80/310,734.30 = 166,029.80/x
  3. Step 3: Cross multiply
    207,501.80x = 310,734.30 × 166,029.80
  4. Step 4: Simplify right side
    207,501.80x = 51,591,153,682.14
  5. Step 5: Solve for x
    x = 51,591,153,682.14/207,501.80
  6. Step 6: Final answer
    x = 248,629.91

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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.