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Finding the Fourth Proportional to 150,861.36, 208,018 and 96,341.88

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Solution

The fourth proportional to 150,861.36, 208,018 and 96,341.88 is: 132,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,861.36 : 208,018 = 96,341.88 : x
  2. Step 2: Convert to fraction form
    150,861.36/208,018 = 96,341.88/x
  3. Step 3: Cross multiply
    150,861.36x = 208,018 × 96,341.88
  4. Step 4: Simplify right side
    150,861.36x = 20,040,845,193.84
  5. Step 5: Solve for x
    x = 20,040,845,193.84/150,861.36
  6. Step 6: Final answer
    x = 132,842.80

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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.