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Finding the Fourth Proportional to 187,692.66, 259,013.30 and 107,167.32

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Solution

The fourth proportional to 187,692.66, 259,013.30 and 107,167.32 is: 147,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,692.66 : 259,013.30 = 107,167.32 : x
  2. Step 2: Convert to fraction form
    187,692.66/259,013.30 = 107,167.32/x
  3. Step 3: Cross multiply
    187,692.66x = 259,013.30 × 107,167.32
  4. Step 4: Simplify right side
    187,692.66x = 27,757,760,669.52
  5. Step 5: Solve for x
    x = 27,757,760,669.52/187,692.66
  6. Step 6: Final answer
    x = 147,889.43

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1.5x scale

Why These Related Problems?

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