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Finding the Fourth Proportional to 368,419.44, 552,629.12 and 102,179.94

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Solution

The fourth proportional to 368,419.44, 552,629.12 and 102,179.94 is: 153,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,419.44 : 552,629.12 = 102,179.94 : x
  2. Step 2: Convert to fraction form
    368,419.44/552,629.12 = 102,179.94/x
  3. Step 3: Cross multiply
    368,419.44x = 552,629.12 × 102,179.94
  4. Step 4: Simplify right side
    368,419.44x = 56,467,610,323.85
  5. Step 5: Solve for x
    x = 56,467,610,323.85/368,419.44
  6. Step 6: Final answer
    x = 153,269.90

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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.