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Finding the Fourth Proportional to 100,762.89, 150,914.56 and 48,209.55

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Solution

The fourth proportional to 100,762.89, 150,914.56 and 48,209.55 is: 72,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,762.89 : 150,914.56 = 48,209.55 : x
  2. Step 2: Convert to fraction form
    100,762.89/150,914.56 = 48,209.55/x
  3. Step 3: Cross multiply
    100,762.89x = 150,914.56 × 48,209.55
  4. Step 4: Simplify right side
    100,762.89x = 7,275,522,429.99
  5. Step 5: Solve for x
    x = 7,275,522,429.99/100,762.89
  6. Step 6: Final answer
    x = 72,204.39

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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.