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Finding the Fourth Proportional to 96,782.80, 145,246.20 and 50,011.60

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Solution

The fourth proportional to 96,782.80, 145,246.20 and 50,011.60 is: 75,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,782.80 : 145,246.20 = 50,011.60 : x
  2. Step 2: Convert to fraction form
    96,782.80/145,246.20 = 50,011.60/x
  3. Step 3: Cross multiply
    96,782.80x = 145,246.20 × 50,011.60
  4. Step 4: Simplify right side
    96,782.80x = 7,263,994,855.92
  5. Step 5: Solve for x
    x = 7,263,994,855.92/96,782.80
  6. Step 6: Final answer
    x = 75,054.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.