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Finding the Fourth Proportional to 86,383.70, 119,168.76 and 50,551.54

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Solution

The fourth proportional to 86,383.70, 119,168.76 and 50,551.54 is: 69,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.70 : 119,168.76 = 50,551.54 : x
  2. Step 2: Convert to fraction form
    86,383.70/119,168.76 = 50,551.54/x
  3. Step 3: Cross multiply
    86,383.70x = 119,168.76 × 50,551.54
  4. Step 4: Simplify right side
    86,383.70x = 6,024,163,742.05
  5. Step 5: Solve for x
    x = 6,024,163,742.05/86,383.70
  6. Step 6: Final answer
    x = 69,737.27

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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.