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Finding the Fourth Proportional to 187,692.96, 259,020.48 and 107,118.88

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Solution

The fourth proportional to 187,692.96, 259,020.48 and 107,118.88 is: 147,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,692.96 : 259,020.48 = 107,118.88 : x
  2. Step 2: Convert to fraction form
    187,692.96/259,020.48 = 107,118.88/x
  3. Step 3: Cross multiply
    187,692.96x = 259,020.48 × 107,118.88
  4. Step 4: Simplify right side
    187,692.96x = 27,745,983,714.66
  5. Step 5: Solve for x
    x = 27,745,983,714.66/187,692.96
  6. Step 6: Final answer
    x = 147,826.45

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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.