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Finding the Fourth Proportional to 248,975.50, 373,480.26 and 71,468.86

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Solution

The fourth proportional to 248,975.50, 373,480.26 and 71,468.86 is: 107,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,975.50 : 373,480.26 = 71,468.86 : x
  2. Step 2: Convert to fraction form
    248,975.50/373,480.26 = 71,468.86/x
  3. Step 3: Cross multiply
    248,975.50x = 373,480.26 × 71,468.86
  4. Step 4: Simplify right side
    248,975.50x = 26,692,208,414.70
  5. Step 5: Solve for x
    x = 26,692,208,414.70/248,975.50
  6. Step 6: Final answer
    x = 107,208.17

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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.