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Finding the Fourth Proportional to 368,055.80, 552,083.78 and 115,336.24

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Solution

The fourth proportional to 368,055.80, 552,083.78 and 115,336.24 is: 173,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,055.80 : 552,083.78 = 115,336.24 : x
  2. Step 2: Convert to fraction form
    368,055.80/552,083.78 = 115,336.24/x
  3. Step 3: Cross multiply
    368,055.80x = 552,083.78 × 115,336.24
  4. Step 4: Simplify right side
    368,055.80x = 63,675,267,350.19
  5. Step 5: Solve for x
    x = 63,675,267,350.19/368,055.80
  6. Step 6: Final answer
    x = 173,004.39

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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.