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Finding the Fourth Proportional to 270,050.72, 405,330.32 and 137,026.44

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Solution

The fourth proportional to 270,050.72, 405,330.32 and 137,026.44 is: 205,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,050.72 : 405,330.32 = 137,026.44 : x
  2. Step 2: Convert to fraction form
    270,050.72/405,330.32 = 137,026.44/x
  3. Step 3: Cross multiply
    270,050.72x = 405,330.32 × 137,026.44
  4. Step 4: Simplify right side
    270,050.72x = 55,540,971,116.23
  5. Step 5: Solve for x
    x = 55,540,971,116.23/270,050.72
  6. Step 6: Final answer
    x = 205,668.67

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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.