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Finding the Fourth Proportional to 368,120.08, 552,192.45 and 101,858.23

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Solution

The fourth proportional to 368,120.08, 552,192.45 and 101,858.23 is: 152,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,120.08 : 552,192.45 = 101,858.23 : x
  2. Step 2: Convert to fraction form
    368,120.08/552,192.45 = 101,858.23/x
  3. Step 3: Cross multiply
    368,120.08x = 552,192.45 × 101,858.23
  4. Step 4: Simplify right side
    368,120.08x = 56,245,345,576.36
  5. Step 5: Solve for x
    x = 56,245,345,576.36/368,120.08
  6. Step 6: Final answer
    x = 152,790.76

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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.