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Finding the Fourth Proportional to 69,468.20, 104,048.70 and 53,762.60

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Solution

The fourth proportional to 69,468.20, 104,048.70 and 53,762.60 is: 80,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.20 : 104,048.70 = 53,762.60 : x
  2. Step 2: Convert to fraction form
    69,468.20/104,048.70 = 53,762.60/x
  3. Step 3: Cross multiply
    69,468.20x = 104,048.70 × 53,762.60
  4. Step 4: Simplify right side
    69,468.20x = 5,593,928,638.62
  5. Step 5: Solve for x
    x = 5,593,928,638.62/69,468.20
  6. Step 6: Final answer
    x = 80,525.03

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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.