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Finding the Fourth Proportional to 69,527.20, 104,271.60 and 25,145.60

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Solution

The fourth proportional to 69,527.20, 104,271.60 and 25,145.60 is: 37,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,527.20 : 104,271.60 = 25,145.60 : x
  2. Step 2: Convert to fraction form
    69,527.20/104,271.60 = 25,145.60/x
  3. Step 3: Cross multiply
    69,527.20x = 104,271.60 × 25,145.60
  4. Step 4: Simplify right side
    69,527.20x = 2,621,971,944.96
  5. Step 5: Solve for x
    x = 2,621,971,944.96/69,527.20
  6. Step 6: Final answer
    x = 37,711.46

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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.