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Finding the Fourth Proportional to 133,946.40, 200,676.60 and 63,670.80

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Solution

The fourth proportional to 133,946.40, 200,676.60 and 63,670.80 is: 95,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,946.40 : 200,676.60 = 63,670.80 : x
  2. Step 2: Convert to fraction form
    133,946.40/200,676.60 = 63,670.80/x
  3. Step 3: Cross multiply
    133,946.40x = 200,676.60 × 63,670.80
  4. Step 4: Simplify right side
    133,946.40x = 12,777,239,663.28
  5. Step 5: Solve for x
    x = 12,777,239,663.28/133,946.40
  6. Step 6: Final answer
    x = 95,390.69

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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.