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Finding the Fourth Proportional to 84,800.94, 117,015.35 and 50,340.30

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Solution

The fourth proportional to 84,800.94, 117,015.35 and 50,340.30 is: 69,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.94 : 117,015.35 = 50,340.30 : x
  2. Step 2: Convert to fraction form
    84,800.94/117,015.35 = 50,340.30/x
  3. Step 3: Cross multiply
    84,800.94x = 117,015.35 × 50,340.30
  4. Step 4: Simplify right side
    84,800.94x = 5,890,587,571.90
  5. Step 5: Solve for x
    x = 5,890,587,571.90/84,800.94
  6. Step 6: Final answer
    x = 69,463.71

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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.