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Finding the Fourth Proportional to 65,480.81, 98,361.14 and 46,880.37

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Solution

The fourth proportional to 65,480.81, 98,361.14 and 46,880.37 is: 70,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,480.81 : 98,361.14 = 46,880.37 : x
  2. Step 2: Convert to fraction form
    65,480.81/98,361.14 = 46,880.37/x
  3. Step 3: Cross multiply
    65,480.81x = 98,361.14 × 46,880.37
  4. Step 4: Simplify right side
    65,480.81x = 4,611,206,636.82
  5. Step 5: Solve for x
    x = 4,611,206,636.82/65,480.81
  6. Step 6: Final answer
    x = 70,420.73

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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.