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Finding the Fourth Proportional to 75,362.73, 104,008.83 and 43,100.34

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Solution

The fourth proportional to 75,362.73, 104,008.83 and 43,100.34 is: 59,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,362.73 : 104,008.83 = 43,100.34 : x
  2. Step 2: Convert to fraction form
    75,362.73/104,008.83 = 43,100.34/x
  3. Step 3: Cross multiply
    75,362.73x = 104,008.83 × 43,100.34
  4. Step 4: Simplify right side
    75,362.73x = 4,482,815,936.00
  5. Step 5: Solve for x
    x = 4,482,815,936.00/75,362.73
  6. Step 6: Final answer
    x = 59,483.19

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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.