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Finding the Fourth Proportional to 248,464.80, 372,700.44 and 70,977.60

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Solution

The fourth proportional to 248,464.80, 372,700.44 and 70,977.60 is: 106,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,464.80 : 372,700.44 = 70,977.60 : x
  2. Step 2: Convert to fraction form
    248,464.80/372,700.44 = 70,977.60/x
  3. Step 3: Cross multiply
    248,464.80x = 372,700.44 × 70,977.60
  4. Step 4: Simplify right side
    248,464.80x = 26,453,382,750.14
  5. Step 5: Solve for x
    x = 26,453,382,750.14/248,464.80
  6. Step 6: Final answer
    x = 106,467.33

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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.