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Finding the Fourth Proportional to 163,622.40, 225,926.40 and 131,942.40

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Solution

The fourth proportional to 163,622.40, 225,926.40 and 131,942.40 is: 182,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,622.40 : 225,926.40 = 131,942.40 : x
  2. Step 2: Convert to fraction form
    163,622.40/225,926.40 = 131,942.40/x
  3. Step 3: Cross multiply
    163,622.40x = 225,926.40 × 131,942.40
  4. Step 4: Simplify right side
    163,622.40x = 29,809,271,439.36
  5. Step 5: Solve for x
    x = 29,809,271,439.36/163,622.40
  6. Step 6: Final answer
    x = 182,183.32

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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.