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Finding the Fourth Proportional to 468,505, 702,776.96 and 136,081

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Solution

The fourth proportional to 468,505, 702,776.96 and 136,081 is: 204,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,505 : 702,776.96 = 136,081 : x
  2. Step 2: Convert to fraction form
    468,505/702,776.96 = 136,081/x
  3. Step 3: Cross multiply
    468,505x = 702,776.96 × 136,081
  4. Step 4: Simplify right side
    468,505x = 95,634,591,493.76
  5. Step 5: Solve for x
    x = 95,634,591,493.76/468,505
  6. Step 6: Final answer
    x = 204,127.15

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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.