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Finding the Fourth Proportional to 88,759.40, 133,074.30 and 36,141.80

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Solution

The fourth proportional to 88,759.40, 133,074.30 and 36,141.80 is: 54,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,759.40 : 133,074.30 = 36,141.80 : x
  2. Step 2: Convert to fraction form
    88,759.40/133,074.30 = 36,141.80/x
  3. Step 3: Cross multiply
    88,759.40x = 133,074.30 × 36,141.80
  4. Step 4: Simplify right side
    88,759.40x = 4,809,544,735.74
  5. Step 5: Solve for x
    x = 4,809,544,735.74/88,759.40
  6. Step 6: Final answer
    x = 54,186.31

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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.