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Finding the Fourth Proportional to 268,603.77, 370,682.94 and 147,754.41

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Solution

The fourth proportional to 268,603.77, 370,682.94 and 147,754.41 is: 203,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,603.77 : 370,682.94 = 147,754.41 : x
  2. Step 2: Convert to fraction form
    268,603.77/370,682.94 = 147,754.41/x
  3. Step 3: Cross multiply
    268,603.77x = 370,682.94 × 147,754.41
  4. Step 4: Simplify right side
    268,603.77x = 54,770,039,096.77
  5. Step 5: Solve for x
    x = 54,770,039,096.77/268,603.77
  6. Step 6: Final answer
    x = 203,906.44

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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.