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Finding the Fourth Proportional to 166,907.25, 250,400.25 and 54,587.03

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Solution

The fourth proportional to 166,907.25, 250,400.25 and 54,587.03 is: 81,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,907.25 : 250,400.25 = 54,587.03 : x
  2. Step 2: Convert to fraction form
    166,907.25/250,400.25 = 54,587.03/x
  3. Step 3: Cross multiply
    166,907.25x = 250,400.25 × 54,587.03
  4. Step 4: Simplify right side
    166,907.25x = 13,668,604,706.76
  5. Step 5: Solve for x
    x = 13,668,604,706.76/166,907.25
  6. Step 6: Final answer
    x = 81,893.42

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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.