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Finding the Fourth Proportional to 86,765.33, 119,735.31 and 48,524.45

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Solution

The fourth proportional to 86,765.33, 119,735.31 and 48,524.45 is: 66,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765.33 : 119,735.31 = 48,524.45 : x
  2. Step 2: Convert to fraction form
    86,765.33/119,735.31 = 48,524.45/x
  3. Step 3: Cross multiply
    86,765.33x = 119,735.31 × 48,524.45
  4. Step 4: Simplify right side
    86,765.33x = 5,810,090,063.33
  5. Step 5: Solve for x
    x = 5,810,090,063.33/86,765.33
  6. Step 6: Final answer
    x = 66,963.27

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1.5x scale

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.