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Finding the Fourth Proportional to 162,190.22, 223,822.04 and 90,570.30

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Solution

The fourth proportional to 162,190.22, 223,822.04 and 90,570.30 is: 124,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,190.22 : 223,822.04 = 90,570.30 : x
  2. Step 2: Convert to fraction form
    162,190.22/223,822.04 = 90,570.30/x
  3. Step 3: Cross multiply
    162,190.22x = 223,822.04 × 90,570.30
  4. Step 4: Simplify right side
    162,190.22x = 20,271,629,309.41
  5. Step 5: Solve for x
    x = 20,271,629,309.41/162,190.22
  6. Step 6: Final answer
    x = 124,986.76

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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.