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Finding the Fourth Proportional to 100,373.37, 150,546.18 and 55,477.68

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Solution

The fourth proportional to 100,373.37, 150,546.18 and 55,477.68 is: 83,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,373.37 : 150,546.18 = 55,477.68 : x
  2. Step 2: Convert to fraction form
    100,373.37/150,546.18 = 55,477.68/x
  3. Step 3: Cross multiply
    100,373.37x = 150,546.18 × 55,477.68
  4. Step 4: Simplify right side
    100,373.37x = 8,351,952,799.26
  5. Step 5: Solve for x
    x = 8,351,952,799.26/100,373.37
  6. Step 6: Final answer
    x = 83,208.85

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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.