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Finding the Fourth Proportional to 205,617.44, 308,199.44 and 134,510.56

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Solution

The fourth proportional to 205,617.44, 308,199.44 and 134,510.56 is: 201,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,617.44 : 308,199.44 = 134,510.56 : x
  2. Step 2: Convert to fraction form
    205,617.44/308,199.44 = 134,510.56/x
  3. Step 3: Cross multiply
    205,617.44x = 308,199.44 × 134,510.56
  4. Step 4: Simplify right side
    205,617.44x = 41,456,079,266.09
  5. Step 5: Solve for x
    x = 41,456,079,266.09/205,617.44
  6. Step 6: Final answer
    x = 201,617.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.