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Finding the Fourth Proportional to 89,323.44, 133,788.33 and 49,782.48

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Solution

The fourth proportional to 89,323.44, 133,788.33 and 49,782.48 is: 74,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,323.44 : 133,788.33 = 49,782.48 : x
  2. Step 2: Convert to fraction form
    89,323.44/133,788.33 = 49,782.48/x
  3. Step 3: Cross multiply
    89,323.44x = 133,788.33 × 49,782.48
  4. Step 4: Simplify right side
    89,323.44x = 6,660,314,862.46
  5. Step 5: Solve for x
    x = 6,660,314,862.46/89,323.44
  6. Step 6: Final answer
    x = 74,564.02

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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.