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Finding the Fourth Proportional to 136,049.44, 187,748.04 and 75,625.71

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Solution

The fourth proportional to 136,049.44, 187,748.04 and 75,625.71 is: 104,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049.44 : 187,748.04 = 75,625.71 : x
  2. Step 2: Convert to fraction form
    136,049.44/187,748.04 = 75,625.71/x
  3. Step 3: Cross multiply
    136,049.44x = 187,748.04 × 75,625.71
  4. Step 4: Simplify right side
    136,049.44x = 14,198,578,826.11
  5. Step 5: Solve for x
    x = 14,198,578,826.11/136,049.44
  6. Step 6: Final answer
    x = 104,363.38

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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.