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Finding the Fourth Proportional to 116,222.52, 174,333.78 and 81,230.52

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Solution

The fourth proportional to 116,222.52, 174,333.78 and 81,230.52 is: 121,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,222.52 : 174,333.78 = 81,230.52 : x
  2. Step 2: Convert to fraction form
    116,222.52/174,333.78 = 81,230.52/x
  3. Step 3: Cross multiply
    116,222.52x = 174,333.78 × 81,230.52
  4. Step 4: Simplify right side
    116,222.52x = 14,161,223,602.97
  5. Step 5: Solve for x
    x = 14,161,223,602.97/116,222.52
  6. Step 6: Final answer
    x = 121,845.78

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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.