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Finding the Fourth Proportional to 261,578.96, 361,087.44 and 176,810.84

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Solution

The fourth proportional to 261,578.96, 361,087.44 and 176,810.84 is: 244,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,578.96 : 361,087.44 = 176,810.84 : x
  2. Step 2: Convert to fraction form
    261,578.96/361,087.44 = 176,810.84/x
  3. Step 3: Cross multiply
    261,578.96x = 361,087.44 × 176,810.84
  4. Step 4: Simplify right side
    261,578.96x = 63,844,173,579.85
  5. Step 5: Solve for x
    x = 63,844,173,579.85/261,578.96
  6. Step 6: Final answer
    x = 244,072.28

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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.