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Finding the Fourth Proportional to 368,055.27, 552,083.13 and 115,355.46

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Solution

The fourth proportional to 368,055.27, 552,083.13 and 115,355.46 is: 173,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,055.27 : 552,083.13 = 115,355.46 : x
  2. Step 2: Convert to fraction form
    368,055.27/552,083.13 = 115,355.46/x
  3. Step 3: Cross multiply
    368,055.27x = 552,083.13 × 115,355.46
  4. Step 4: Simplify right side
    368,055.27x = 63,685,802,842.61
  5. Step 5: Solve for x
    x = 63,685,802,842.61/368,055.27
  6. Step 6: Final answer
    x = 173,033.26

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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.