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Finding the Fourth Proportional to 179,673, 248,045.94 and 108,069

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Solution

The fourth proportional to 179,673, 248,045.94 and 108,069 is: 149,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,673 : 248,045.94 = 108,069 : x
  2. Step 2: Convert to fraction form
    179,673/248,045.94 = 108,069/x
  3. Step 3: Cross multiply
    179,673x = 248,045.94 × 108,069
  4. Step 4: Simplify right side
    179,673x = 26,806,076,689.86
  5. Step 5: Solve for x
    x = 26,806,076,689.86/179,673
  6. Step 6: Final answer
    x = 149,193.68

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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.