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Finding the Fourth Proportional to 203,995.50, 281,521.23 and 113,360.41

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Solution

The fourth proportional to 203,995.50, 281,521.23 and 113,360.41 is: 156,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,995.50 : 281,521.23 = 113,360.41 : x
  2. Step 2: Convert to fraction form
    203,995.50/281,521.23 = 113,360.41/x
  3. Step 3: Cross multiply
    203,995.50x = 281,521.23 × 113,360.41
  4. Step 4: Simplify right side
    203,995.50x = 31,913,362,780.37
  5. Step 5: Solve for x
    x = 31,913,362,780.37/203,995.50
  6. Step 6: Final answer
    x = 156,441.50

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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.