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Finding the Fourth Proportional to 136,984.42, 205,144.48 and 94,745.96

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Solution

The fourth proportional to 136,984.42, 205,144.48 and 94,745.96 is: 141,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,984.42 : 205,144.48 = 94,745.96 : x
  2. Step 2: Convert to fraction form
    136,984.42/205,144.48 = 94,745.96/x
  3. Step 3: Cross multiply
    136,984.42x = 205,144.48 × 94,745.96
  4. Step 4: Simplify right side
    136,984.42x = 19,436,610,696.30
  5. Step 5: Solve for x
    x = 19,436,610,696.30/136,984.42
  6. Step 6: Final answer
    x = 141,889.21

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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.