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Finding the Fourth Proportional to 241,958.40, 362,764.80 and 108,729.60

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Solution

The fourth proportional to 241,958.40, 362,764.80 and 108,729.60 is: 163,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,958.40 : 362,764.80 = 108,729.60 : x
  2. Step 2: Convert to fraction form
    241,958.40/362,764.80 = 108,729.60/x
  3. Step 3: Cross multiply
    241,958.40x = 362,764.80 × 108,729.60
  4. Step 4: Simplify right side
    241,958.40x = 39,443,271,598.08
  5. Step 5: Solve for x
    x = 39,443,271,598.08/241,958.40
  6. Step 6: Final answer
    x = 163,016.75

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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.