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Finding the Fourth Proportional to 239,852.88, 359,716.59 and 71,327.79

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Solution

The fourth proportional to 239,852.88, 359,716.59 and 71,327.79 is: 106,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,852.88 : 359,716.59 = 71,327.79 : x
  2. Step 2: Convert to fraction form
    239,852.88/359,716.59 = 71,327.79/x
  3. Step 3: Cross multiply
    239,852.88x = 359,716.59 × 71,327.79
  4. Step 4: Simplify right side
    239,852.88x = 25,657,789,391.04
  5. Step 5: Solve for x
    x = 25,657,789,391.04/239,852.88
  6. Step 6: Final answer
    x = 106,973.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.