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Finding the Fourth Proportional to 235,065, 324,389.70 and 134,463

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Solution

The fourth proportional to 235,065, 324,389.70 and 134,463 is: 185,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,065 : 324,389.70 = 134,463 : x
  2. Step 2: Convert to fraction form
    235,065/324,389.70 = 134,463/x
  3. Step 3: Cross multiply
    235,065x = 324,389.70 × 134,463
  4. Step 4: Simplify right side
    235,065x = 43,618,412,231.10
  5. Step 5: Solve for x
    x = 43,618,412,231.10/235,065
  6. Step 6: Final answer
    x = 185,558.94

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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.