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Finding the Fourth Proportional to 75,227.00, 103,809.40 and 43,394.00

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Solution

The fourth proportional to 75,227.00, 103,809.40 and 43,394.00 is: 59,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,227.00 : 103,809.40 = 43,394.00 : x
  2. Step 2: Convert to fraction form
    75,227.00/103,809.40 = 43,394.00/x
  3. Step 3: Cross multiply
    75,227.00x = 103,809.40 × 43,394.00
  4. Step 4: Simplify right side
    75,227.00x = 4,504,704,476.07
  5. Step 5: Solve for x
    x = 4,504,704,476.07/75,227.00
  6. Step 6: Final answer
    x = 59,881.49

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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.