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Finding the Fourth Proportional to 207,966.68, 287,029.34 and 117,348.33

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Solution

The fourth proportional to 207,966.68, 287,029.34 and 117,348.33 is: 161,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,966.68 : 287,029.34 = 117,348.33 : x
  2. Step 2: Convert to fraction form
    207,966.68/287,029.34 = 117,348.33/x
  3. Step 3: Cross multiply
    207,966.68x = 287,029.34 × 117,348.33
  4. Step 4: Simplify right side
    207,966.68x = 33,682,413,710.00
  5. Step 5: Solve for x
    x = 33,682,413,710.00/207,966.68
  6. Step 6: Final answer
    x = 161,960.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.