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Finding the Fourth Proportional to 95,840.40, 143,760.60 and 43,352.40

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Solution

The fourth proportional to 95,840.40, 143,760.60 and 43,352.40 is: 65,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,840.40 : 143,760.60 = 43,352.40 : x
  2. Step 2: Convert to fraction form
    95,840.40/143,760.60 = 43,352.40/x
  3. Step 3: Cross multiply
    95,840.40x = 143,760.60 × 43,352.40
  4. Step 4: Simplify right side
    95,840.40x = 6,232,367,035.44
  5. Step 5: Solve for x
    x = 6,232,367,035.44/95,840.40
  6. Step 6: Final answer
    x = 65,028.60

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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.