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Finding the Fourth Proportional to 167,356.48, 230,953.44 and 91,905.52

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Solution

The fourth proportional to 167,356.48, 230,953.44 and 91,905.52 is: 126,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,356.48 : 230,953.44 = 91,905.52 : x
  2. Step 2: Convert to fraction form
    167,356.48/230,953.44 = 91,905.52/x
  3. Step 3: Cross multiply
    167,356.48x = 230,953.44 × 91,905.52
  4. Step 4: Simplify right side
    167,356.48x = 21,225,895,998.99
  5. Step 5: Solve for x
    x = 21,225,895,998.99/167,356.48
  6. Step 6: Final answer
    x = 126,830.44

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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.