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Finding the Fourth Proportional to 248,696.48, 372,774.80 and 163,271.49

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Solution

The fourth proportional to 248,696.48, 372,774.80 and 163,271.49 is: 244,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,696.48 : 372,774.80 = 163,271.49 : x
  2. Step 2: Convert to fraction form
    248,696.48/372,774.80 = 163,271.49/x
  3. Step 3: Cross multiply
    248,696.48x = 372,774.80 × 163,271.49
  4. Step 4: Simplify right side
    248,696.48x = 60,863,497,030.45
  5. Step 5: Solve for x
    x = 60,863,497,030.45/248,696.48
  6. Step 6: Final answer
    x = 244,730.03

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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.