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Finding the Fourth Proportional to 73,090.09, 109,626.01 and 20,503.67

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Solution

The fourth proportional to 73,090.09, 109,626.01 and 20,503.67 is: 30,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,090.09 : 109,626.01 = 20,503.67 : x
  2. Step 2: Convert to fraction form
    73,090.09/109,626.01 = 20,503.67/x
  3. Step 3: Cross multiply
    73,090.09x = 109,626.01 × 20,503.67
  4. Step 4: Simplify right side
    73,090.09x = 2,247,735,532.46
  5. Step 5: Solve for x
    x = 2,247,735,532.46/73,090.09
  6. Step 6: Final answer
    x = 30,752.95

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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.