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Finding the Fourth Proportional to 144,717.40, 217,076.10 and 51,232.60

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Solution

The fourth proportional to 144,717.40, 217,076.10 and 51,232.60 is: 76,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,717.40 : 217,076.10 = 51,232.60 : x
  2. Step 2: Convert to fraction form
    144,717.40/217,076.10 = 51,232.60/x
  3. Step 3: Cross multiply
    144,717.40x = 217,076.10 × 51,232.60
  4. Step 4: Simplify right side
    144,717.40x = 11,121,373,000.86
  5. Step 5: Solve for x
    x = 11,121,373,000.86/144,717.40
  6. Step 6: Final answer
    x = 76,848.90

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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.