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Finding the Fourth Proportional to 75,665.63, 104,418.57 and 43,852.98

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Solution

The fourth proportional to 75,665.63, 104,418.57 and 43,852.98 is: 60,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.63 : 104,418.57 = 43,852.98 : x
  2. Step 2: Convert to fraction form
    75,665.63/104,418.57 = 43,852.98/x
  3. Step 3: Cross multiply
    75,665.63x = 104,418.57 × 43,852.98
  4. Step 4: Simplify right side
    75,665.63x = 4,579,065,461.84
  5. Step 5: Solve for x
    x = 4,579,065,461.84/75,665.63
  6. Step 6: Final answer
    x = 60,517.12

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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.