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Finding the Fourth Proportional to 235,739.44, 325,327.48 and 145,147.67

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Solution

The fourth proportional to 235,739.44, 325,327.48 and 145,147.67 is: 200,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,739.44 : 325,327.48 = 145,147.67 : x
  2. Step 2: Convert to fraction form
    235,739.44/325,327.48 = 145,147.67/x
  3. Step 3: Cross multiply
    235,739.44x = 325,327.48 × 145,147.67
  4. Step 4: Simplify right side
    235,739.44x = 47,220,525,650.31
  5. Step 5: Solve for x
    x = 47,220,525,650.31/235,739.44
  6. Step 6: Final answer
    x = 200,308.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.