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Finding the Fourth Proportional to 241,687.10, 362,421.30 and 108,498.80

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Solution

The fourth proportional to 241,687.10, 362,421.30 and 108,498.80 is: 162,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,687.10 : 362,421.30 = 108,498.80 : x
  2. Step 2: Convert to fraction form
    241,687.10/362,421.30 = 108,498.80/x
  3. Step 3: Cross multiply
    241,687.10x = 362,421.30 × 108,498.80
  4. Step 4: Simplify right side
    241,687.10x = 39,322,276,144.44
  5. Step 5: Solve for x
    x = 39,322,276,144.44/241,687.10
  6. Step 6: Final answer
    x = 162,699.11

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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.