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Finding the Fourth Proportional to 84,212.60, 116,211.66 and 48,401.68

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Solution

The fourth proportional to 84,212.60, 116,211.66 and 48,401.68 is: 66,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,212.60 : 116,211.66 = 48,401.68 : x
  2. Step 2: Convert to fraction form
    84,212.60/116,211.66 = 48,401.68/x
  3. Step 3: Cross multiply
    84,212.60x = 116,211.66 × 48,401.68
  4. Step 4: Simplify right side
    84,212.60x = 5,624,839,579.59
  5. Step 5: Solve for x
    x = 5,624,839,579.59/84,212.60
  6. Step 6: Final answer
    x = 66,793.33

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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.