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Finding the Fourth Proportional to 207,093.80, 310,871.30 and 107,227.17

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Solution

The fourth proportional to 207,093.80, 310,871.30 and 107,227.17 is: 160,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,093.80 : 310,871.30 = 107,227.17 : x
  2. Step 2: Convert to fraction form
    207,093.80/310,871.30 = 107,227.17/x
  3. Step 3: Cross multiply
    207,093.80x = 310,871.30 × 107,227.17
  4. Step 4: Simplify right side
    207,093.80x = 33,333,849,197.09
  5. Step 5: Solve for x
    x = 33,333,849,197.09/207,093.80
  6. Step 6: Final answer
    x = 160,960.15

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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.