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Finding the Fourth Proportional to 368,058.17, 552,087.34 and 115,338.60

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Solution

The fourth proportional to 368,058.17, 552,087.34 and 115,338.60 is: 173,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,058.17 : 552,087.34 = 115,338.60 : x
  2. Step 2: Convert to fraction form
    368,058.17/552,087.34 = 115,338.60/x
  3. Step 3: Cross multiply
    368,058.17x = 552,087.34 × 115,338.60
  4. Step 4: Simplify right side
    368,058.17x = 63,676,980,584.98
  5. Step 5: Solve for x
    x = 63,676,980,584.98/368,058.17
  6. Step 6: Final answer
    x = 173,007.92

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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.