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Finding the Fourth Proportional to 100,615.01, 150,954.12 and 41,478.53

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Solution

The fourth proportional to 100,615.01, 150,954.12 and 41,478.53 is: 62,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,615.01 : 150,954.12 = 41,478.53 : x
  2. Step 2: Convert to fraction form
    100,615.01/150,954.12 = 41,478.53/x
  3. Step 3: Cross multiply
    100,615.01x = 150,954.12 × 41,478.53
  4. Step 4: Simplify right side
    100,615.01x = 6,261,354,240.27
  5. Step 5: Solve for x
    x = 6,261,354,240.27/100,615.01
  6. Step 6: Final answer
    x = 62,230.82

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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.