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Finding the Fourth Proportional to 100,367.10, 150,550.71 and 25,492.86

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Solution

The fourth proportional to 100,367.10, 150,550.71 and 25,492.86 is: 38,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,367.10 : 150,550.71 = 25,492.86 : x
  2. Step 2: Convert to fraction form
    100,367.10/150,550.71 = 25,492.86/x
  3. Step 3: Cross multiply
    100,367.10x = 150,550.71 × 25,492.86
  4. Step 4: Simplify right side
    100,367.10x = 3,837,968,172.93
  5. Step 5: Solve for x
    x = 3,837,968,172.93/100,367.10
  6. Step 6: Final answer
    x = 38,239.31

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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.