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Finding the Fourth Proportional to 115,392.54, 173,071.49 and 36,496.51

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Solution

The fourth proportional to 115,392.54, 173,071.49 and 36,496.51 is: 54,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,392.54 : 173,071.49 = 36,496.51 : x
  2. Step 2: Convert to fraction form
    115,392.54/173,071.49 = 36,496.51/x
  3. Step 3: Cross multiply
    115,392.54x = 173,071.49 × 36,496.51
  4. Step 4: Simplify right side
    115,392.54x = 6,316,505,711.44
  5. Step 5: Solve for x
    x = 6,316,505,711.44/115,392.54
  6. Step 6: Final answer
    x = 54,739.29

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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.