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Finding the Fourth Proportional to 178,842.44, 246,843.24 and 118,415.36

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Solution

The fourth proportional to 178,842.44, 246,843.24 and 118,415.36 is: 163,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,842.44 : 246,843.24 = 118,415.36 : x
  2. Step 2: Convert to fraction form
    178,842.44/246,843.24 = 118,415.36/x
  3. Step 3: Cross multiply
    178,842.44x = 246,843.24 × 118,415.36
  4. Step 4: Simplify right side
    178,842.44x = 29,230,031,128.17
  5. Step 5: Solve for x
    x = 29,230,031,128.17/178,842.44
  6. Step 6: Final answer
    x = 163,440.13

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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.