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Finding the Fourth Proportional to 241,768.40, 362,479.80 and 108,539.60

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Solution

The fourth proportional to 241,768.40, 362,479.80 and 108,539.60 is: 162,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,768.40 : 362,479.80 = 108,539.60 : x
  2. Step 2: Convert to fraction form
    241,768.40/362,479.80 = 108,539.60/x
  3. Step 3: Cross multiply
    241,768.40x = 362,479.80 × 108,539.60
  4. Step 4: Simplify right side
    241,768.40x = 39,343,412,500.08
  5. Step 5: Solve for x
    x = 39,343,412,500.08/241,768.40
  6. Step 6: Final answer
    x = 162,731.82

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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.