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Finding the Fourth Proportional to 180,469.80, 270,704.70 and 124,482.60

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Solution

The fourth proportional to 180,469.80, 270,704.70 and 124,482.60 is: 186,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.80 : 270,704.70 = 124,482.60 : x
  2. Step 2: Convert to fraction form
    180,469.80/270,704.70 = 124,482.60/x
  3. Step 3: Cross multiply
    180,469.80x = 270,704.70 × 124,482.60
  4. Step 4: Simplify right side
    180,469.80x = 33,698,024,888.22
  5. Step 5: Solve for x
    x = 33,698,024,888.22/180,469.80
  6. Step 6: Final answer
    x = 186,723.90

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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.