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Finding the Fourth Proportional to 236,105.48, 325,813.38 and 135,497

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Solution

The fourth proportional to 236,105.48, 325,813.38 and 135,497 is: 186,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,105.48 : 325,813.38 = 135,497 : x
  2. Step 2: Convert to fraction form
    236,105.48/325,813.38 = 135,497/x
  3. Step 3: Cross multiply
    236,105.48x = 325,813.38 × 135,497
  4. Step 4: Simplify right side
    236,105.48x = 44,146,735,549.86
  5. Step 5: Solve for x
    x = 44,146,735,549.86/236,105.48
  6. Step 6: Final answer
    x = 186,978.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.