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Finding the Fourth Proportional to 169,855.65, 254,782.56 and 43,495.65

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Solution

The fourth proportional to 169,855.65, 254,782.56 and 43,495.65 is: 65,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,855.65 : 254,782.56 = 43,495.65 : x
  2. Step 2: Convert to fraction form
    169,855.65/254,782.56 = 43,495.65/x
  3. Step 3: Cross multiply
    169,855.65x = 254,782.56 × 43,495.65
  4. Step 4: Simplify right side
    169,855.65x = 11,081,933,218.97
  5. Step 5: Solve for x
    x = 11,081,933,218.97/169,855.65
  6. Step 6: Final answer
    x = 65,243.24

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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.