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Finding the Fourth Proportional to 368,192.94, 552,296.28 and 115,467.84

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Solution

The fourth proportional to 368,192.94, 552,296.28 and 115,467.84 is: 173,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,192.94 : 552,296.28 = 115,467.84 : x
  2. Step 2: Convert to fraction form
    368,192.94/552,296.28 = 115,467.84/x
  3. Step 3: Cross multiply
    368,192.94x = 552,296.28 × 115,467.84
  4. Step 4: Simplify right side
    368,192.94x = 63,772,458,491.64
  5. Step 5: Solve for x
    x = 63,772,458,491.64/368,192.94
  6. Step 6: Final answer
    x = 173,203.91

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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.