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Finding the Fourth Proportional to 84,169.89, 116,169.45 and 50,180.58

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Solution

The fourth proportional to 84,169.89, 116,169.45 and 50,180.58 is: 69,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.89 : 116,169.45 = 50,180.58 : x
  2. Step 2: Convert to fraction form
    84,169.89/116,169.45 = 50,180.58/x
  3. Step 3: Cross multiply
    84,169.89x = 116,169.45 × 50,180.58
  4. Step 4: Simplify right side
    84,169.89x = 5,829,450,379.28
  5. Step 5: Solve for x
    x = 5,829,450,379.28/84,169.89
  6. Step 6: Final answer
    x = 69,258.14

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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.