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Finding the Fourth Proportional to 189,893.44, 262,045.08 and 103,851.04

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Solution

The fourth proportional to 189,893.44, 262,045.08 and 103,851.04 is: 143,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,893.44 : 262,045.08 = 103,851.04 : x
  2. Step 2: Convert to fraction form
    189,893.44/262,045.08 = 103,851.04/x
  3. Step 3: Cross multiply
    189,893.44x = 262,045.08 × 103,851.04
  4. Step 4: Simplify right side
    189,893.44x = 27,213,654,084.88
  5. Step 5: Solve for x
    x = 27,213,654,084.88/189,893.44
  6. Step 6: Final answer
    x = 143,310.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.