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Finding the Fourth Proportional to 100,375.63, 150,621.76 and 44,971.63

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Solution

The fourth proportional to 100,375.63, 150,621.76 and 44,971.63 is: 67,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,375.63 : 150,621.76 = 44,971.63 : x
  2. Step 2: Convert to fraction form
    100,375.63/150,621.76 = 44,971.63/x
  3. Step 3: Cross multiply
    100,375.63x = 150,621.76 × 44,971.63
  4. Step 4: Simplify right side
    100,375.63x = 6,773,705,195.13
  5. Step 5: Solve for x
    x = 6,773,705,195.13/100,375.63
  6. Step 6: Final answer
    x = 67,483.57

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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.