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Finding the Fourth Proportional to 75,573.88, 104,300.94 and 43,320.04

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Solution

The fourth proportional to 75,573.88, 104,300.94 and 43,320.04 is: 59,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.88 : 104,300.94 = 43,320.04 : x
  2. Step 2: Convert to fraction form
    75,573.88/104,300.94 = 43,320.04/x
  3. Step 3: Cross multiply
    75,573.88x = 104,300.94 × 43,320.04
  4. Step 4: Simplify right side
    75,573.88x = 4,518,320,892.84
  5. Step 5: Solve for x
    x = 4,518,320,892.84/75,573.88
  6. Step 6: Final answer
    x = 59,786.81

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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.