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Finding the Fourth Proportional to 183,450.70, 253,054.56 and 115,359.94

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Solution

The fourth proportional to 183,450.70, 253,054.56 and 115,359.94 is: 159,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,450.70 : 253,054.56 = 115,359.94 : x
  2. Step 2: Convert to fraction form
    183,450.70/253,054.56 = 115,359.94/x
  3. Step 3: Cross multiply
    183,450.70x = 253,054.56 × 115,359.94
  4. Step 4: Simplify right side
    183,450.70x = 29,192,358,858.33
  5. Step 5: Solve for x
    x = 29,192,358,858.33/183,450.70
  6. Step 6: Final answer
    x = 159,129.18

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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.