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Finding the Fourth Proportional to 134,910.25, 202,375.19 and 51,804.25

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Solution

The fourth proportional to 134,910.25, 202,375.19 and 51,804.25 is: 77,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,910.25 : 202,375.19 = 51,804.25 : x
  2. Step 2: Convert to fraction form
    134,910.25/202,375.19 = 51,804.25/x
  3. Step 3: Cross multiply
    134,910.25x = 202,375.19 × 51,804.25
  4. Step 4: Simplify right side
    134,910.25x = 10,483,894,936.56
  5. Step 5: Solve for x
    x = 10,483,894,936.56/134,910.25
  6. Step 6: Final answer
    x = 77,710.14

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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.