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Finding the Fourth Proportional to 149,267.56, 223,893.66 and 55,765.96

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Solution

The fourth proportional to 149,267.56, 223,893.66 and 55,765.96 is: 83,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,267.56 : 223,893.66 = 55,765.96 : x
  2. Step 2: Convert to fraction form
    149,267.56/223,893.66 = 55,765.96/x
  3. Step 3: Cross multiply
    149,267.56x = 223,893.66 × 55,765.96
  4. Step 4: Simplify right side
    149,267.56x = 12,485,644,887.81
  5. Step 5: Solve for x
    x = 12,485,644,887.81/149,267.56
  6. Step 6: Final answer
    x = 83,646.07

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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.