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Finding the Fourth Proportional to 117,253.82, 175,843.81 and 38,349.63

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Solution

The fourth proportional to 117,253.82, 175,843.81 and 38,349.63 is: 57,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,253.82 : 175,843.81 = 38,349.63 : x
  2. Step 2: Convert to fraction form
    117,253.82/175,843.81 = 38,349.63/x
  3. Step 3: Cross multiply
    117,253.82x = 175,843.81 × 38,349.63
  4. Step 4: Simplify right side
    117,253.82x = 6,743,545,051.29
  5. Step 5: Solve for x
    x = 6,743,545,051.29/117,253.82
  6. Step 6: Final answer
    x = 57,512.37

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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.