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Finding the Fourth Proportional to 149,245.92, 223,798.68 and 60,431.88

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Solution

The fourth proportional to 149,245.92, 223,798.68 and 60,431.88 is: 90,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.92 : 223,798.68 = 60,431.88 : x
  2. Step 2: Convert to fraction form
    149,245.92/223,798.68 = 60,431.88/x
  3. Step 3: Cross multiply
    149,245.92x = 223,798.68 × 60,431.88
  4. Step 4: Simplify right side
    149,245.92x = 13,524,574,973.92
  5. Step 5: Solve for x
    x = 13,524,574,973.92/149,245.92
  6. Step 6: Final answer
    x = 90,619.39

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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.