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Finding the Fourth Proportional to 115,797, 173,391 and 93,187.48

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Solution

The fourth proportional to 115,797, 173,391 and 93,187.48 is: 139,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,797 : 173,391 = 93,187.48 : x
  2. Step 2: Convert to fraction form
    115,797/173,391 = 93,187.48/x
  3. Step 3: Cross multiply
    115,797x = 173,391 × 93,187.48
  4. Step 4: Simplify right side
    115,797x = 16,157,870,344.68
  5. Step 5: Solve for x
    x = 16,157,870,344.68/115,797
  6. Step 6: Final answer
    x = 139,536.17

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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.