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Finding the Fourth Proportional to 75,969.88, 113,969.94 and 23,377.36

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Solution

The fourth proportional to 75,969.88, 113,969.94 and 23,377.36 is: 35,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969.88 : 113,969.94 = 23,377.36 : x
  2. Step 2: Convert to fraction form
    75,969.88/113,969.94 = 23,377.36/x
  3. Step 3: Cross multiply
    75,969.88x = 113,969.94 × 23,377.36
  4. Step 4: Simplify right side
    75,969.88x = 2,664,316,316.56
  5. Step 5: Solve for x
    x = 2,664,316,316.56/75,969.88
  6. Step 6: Final answer
    x = 35,070.69

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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.