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Finding the Fourth Proportional to 75,482.78, 104,163.99 and 43,216.34

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Solution

The fourth proportional to 75,482.78, 104,163.99 and 43,216.34 is: 59,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.78 : 104,163.99 = 43,216.34 : x
  2. Step 2: Convert to fraction form
    75,482.78/104,163.99 = 43,216.34/x
  3. Step 3: Cross multiply
    75,482.78x = 104,163.99 × 43,216.34
  4. Step 4: Simplify right side
    75,482.78x = 4,501,585,886.78
  5. Step 5: Solve for x
    x = 4,501,585,886.78/75,482.78
  6. Step 6: Final answer
    x = 59,637.26

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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.