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Finding the Fourth Proportional to 183,611.40, 275,028.30 and 163,912.20

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Solution

The fourth proportional to 183,611.40, 275,028.30 and 163,912.20 is: 245,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,611.40 : 275,028.30 = 163,912.20 : x
  2. Step 2: Convert to fraction form
    183,611.40/275,028.30 = 163,912.20/x
  3. Step 3: Cross multiply
    183,611.40x = 275,028.30 × 163,912.20
  4. Step 4: Simplify right side
    183,611.40x = 45,080,493,715.26
  5. Step 5: Solve for x
    x = 45,080,493,715.26/183,611.40
  6. Step 6: Final answer
    x = 245,521.21

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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.