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Finding the Fourth Proportional to 100,601.70, 150,806.55 and 37,404.90

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Solution

The fourth proportional to 100,601.70, 150,806.55 and 37,404.90 is: 56,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,601.70 : 150,806.55 = 37,404.90 : x
  2. Step 2: Convert to fraction form
    100,601.70/150,806.55 = 37,404.90/x
  3. Step 3: Cross multiply
    100,601.70x = 150,806.55 × 37,404.90
  4. Step 4: Simplify right side
    100,601.70x = 5,640,903,922.10
  5. Step 5: Solve for x
    x = 5,640,903,922.10/100,601.70
  6. Step 6: Final answer
    x = 56,071.66

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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.