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Finding the Fourth Proportional to 60,313.20, 90,475.20 and 25,245.60

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Solution

The fourth proportional to 60,313.20, 90,475.20 and 25,245.60 is: 37,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,313.20 : 90,475.20 = 25,245.60 : x
  2. Step 2: Convert to fraction form
    60,313.20/90,475.20 = 25,245.60/x
  3. Step 3: Cross multiply
    60,313.20x = 90,475.20 × 25,245.60
  4. Step 4: Simplify right side
    60,313.20x = 2,284,100,709.12
  5. Step 5: Solve for x
    x = 2,284,100,709.12/60,313.20
  6. Step 6: Final answer
    x = 37,870.66

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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.