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Finding the Fourth Proportional to 176,010.49, 242,926.46 and 115,474.33

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Solution

The fourth proportional to 176,010.49, 242,926.46 and 115,474.33 is: 159,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,010.49 : 242,926.46 = 115,474.33 : x
  2. Step 2: Convert to fraction form
    176,010.49/242,926.46 = 115,474.33/x
  3. Step 3: Cross multiply
    176,010.49x = 242,926.46 × 115,474.33
  4. Step 4: Simplify right side
    176,010.49x = 28,051,770,207.77
  5. Step 5: Solve for x
    x = 28,051,770,207.77/176,010.49
  6. Step 6: Final answer
    x = 159,375.56

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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.