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Finding the Fourth Proportional to 101,685.19, 152,514.72 and 26,811.22

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Solution

The fourth proportional to 101,685.19, 152,514.72 and 26,811.22 is: 40,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,685.19 : 152,514.72 = 26,811.22 : x
  2. Step 2: Convert to fraction form
    101,685.19/152,514.72 = 26,811.22/x
  3. Step 3: Cross multiply
    101,685.19x = 152,514.72 × 26,811.22
  4. Step 4: Simplify right side
    101,685.19x = 4,089,105,711.16
  5. Step 5: Solve for x
    x = 4,089,105,711.16/101,685.19
  6. Step 6: Final answer
    x = 40,213.39

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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.