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Finding the Fourth Proportional to 468,453.56, 702,699.66 and 136,029.56

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Solution

The fourth proportional to 468,453.56, 702,699.66 and 136,029.56 is: 204,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,453.56 : 702,699.66 = 136,029.56 : x
  2. Step 2: Convert to fraction form
    468,453.56/702,699.66 = 136,029.56/x
  3. Step 3: Cross multiply
    468,453.56x = 702,699.66 × 136,029.56
  4. Step 4: Simplify right side
    468,453.56x = 95,587,925,561.95
  5. Step 5: Solve for x
    x = 95,587,925,561.95/468,453.56
  6. Step 6: Final answer
    x = 204,049.95

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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.