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Finding the Fourth Proportional to 180,509.22, 270,790.56 and 169,438.14

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Solution

The fourth proportional to 180,509.22, 270,790.56 and 169,438.14 is: 254,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,509.22 : 270,790.56 = 169,438.14 : x
  2. Step 2: Convert to fraction form
    180,509.22/270,790.56 = 169,438.14/x
  3. Step 3: Cross multiply
    180,509.22x = 270,790.56 × 169,438.14
  4. Step 4: Simplify right side
    180,509.22x = 45,882,248,815.96
  5. Step 5: Solve for x
    x = 45,882,248,815.96/180,509.22
  6. Step 6: Final answer
    x = 254,182.30

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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.