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Finding the Fourth Proportional to 187,993.44, 259,447.58 and 103,127.04

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Solution

The fourth proportional to 187,993.44, 259,447.58 and 103,127.04 is: 142,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,993.44 : 259,447.58 = 103,127.04 : x
  2. Step 2: Convert to fraction form
    187,993.44/259,447.58 = 103,127.04/x
  3. Step 3: Cross multiply
    187,993.44x = 259,447.58 × 103,127.04
  4. Step 4: Simplify right side
    187,993.44x = 26,756,060,960.56
  5. Step 5: Solve for x
    x = 26,756,060,960.56/187,993.44
  6. Step 6: Final answer
    x = 142,324.44

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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.