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Finding the Fourth Proportional to 135,482.88, 203,229.20 and 46,739.28

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Solution

The fourth proportional to 135,482.88, 203,229.20 and 46,739.28 is: 70,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,482.88 : 203,229.20 = 46,739.28 : x
  2. Step 2: Convert to fraction form
    135,482.88/203,229.20 = 46,739.28/x
  3. Step 3: Cross multiply
    135,482.88x = 203,229.20 × 46,739.28
  4. Step 4: Simplify right side
    135,482.88x = 9,498,786,482.98
  5. Step 5: Solve for x
    x = 9,498,786,482.98/135,482.88
  6. Step 6: Final answer
    x = 70,110.60

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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.