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Finding the Fourth Proportional to 75,536.93, 104,232.78 and 43,699.88

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Solution

The fourth proportional to 75,536.93, 104,232.78 and 43,699.88 is: 60,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536.93 : 104,232.78 = 43,699.88 : x
  2. Step 2: Convert to fraction form
    75,536.93/104,232.78 = 43,699.88/x
  3. Step 3: Cross multiply
    75,536.93x = 104,232.78 × 43,699.88
  4. Step 4: Simplify right side
    75,536.93x = 4,554,959,978.07
  5. Step 5: Solve for x
    x = 4,554,959,978.07/75,536.93
  6. Step 6: Final answer
    x = 60,301.10

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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.