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Finding the Fourth Proportional to 86,745.74, 119,710.06 and 50,936.18

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Solution

The fourth proportional to 86,745.74, 119,710.06 and 50,936.18 is: 70,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.74 : 119,710.06 = 50,936.18 : x
  2. Step 2: Convert to fraction form
    86,745.74/119,710.06 = 50,936.18/x
  3. Step 3: Cross multiply
    86,745.74x = 119,710.06 × 50,936.18
  4. Step 4: Simplify right side
    86,745.74x = 6,097,573,163.97
  5. Step 5: Solve for x
    x = 6,097,573,163.97/86,745.74
  6. Step 6: Final answer
    x = 70,292.48

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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.