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Finding the Fourth Proportional to 105,229.19, 157,843.33 and 26,343.19

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Solution

The fourth proportional to 105,229.19, 157,843.33 and 26,343.19 is: 39,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,229.19 : 157,843.33 = 26,343.19 : x
  2. Step 2: Convert to fraction form
    105,229.19/157,843.33 = 26,343.19/x
  3. Step 3: Cross multiply
    105,229.19x = 157,843.33 × 26,343.19
  4. Step 4: Simplify right side
    105,229.19x = 4,158,096,556.98
  5. Step 5: Solve for x
    x = 4,158,096,556.98/105,229.19
  6. Step 6: Final answer
    x = 39,514.67

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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.