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Finding the Fourth Proportional to 275,159.92, 379,801.32 and 179,681.44

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Solution

The fourth proportional to 275,159.92, 379,801.32 and 179,681.44 is: 248,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,159.92 : 379,801.32 = 179,681.44 : x
  2. Step 2: Convert to fraction form
    275,159.92/379,801.32 = 179,681.44/x
  3. Step 3: Cross multiply
    275,159.92x = 379,801.32 × 179,681.44
  4. Step 4: Simplify right side
    275,159.92x = 68,243,248,091.50
  5. Step 5: Solve for x
    x = 68,243,248,091.50/275,159.92
  6. Step 6: Final answer
    x = 248,013.04

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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.