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Finding the Fourth Proportional to 299,262.76, 449,059.38 and 121,894.64

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Solution

The fourth proportional to 299,262.76, 449,059.38 and 121,894.64 is: 182,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,262.76 : 449,059.38 = 121,894.64 : x
  2. Step 2: Convert to fraction form
    299,262.76/449,059.38 = 121,894.64/x
  3. Step 3: Cross multiply
    299,262.76x = 449,059.38 × 121,894.64
  4. Step 4: Simplify right side
    299,262.76x = 54,737,931,463.72
  5. Step 5: Solve for x
    x = 54,737,931,463.72/299,262.76
  6. Step 6: Final answer
    x = 182,909.26

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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.