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Finding the Fourth Proportional to 235,478.82, 324,950.89 and 133,511.14

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Solution

The fourth proportional to 235,478.82, 324,950.89 and 133,511.14 is: 184,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,478.82 : 324,950.89 = 133,511.14 : x
  2. Step 2: Convert to fraction form
    235,478.82/324,950.89 = 133,511.14/x
  3. Step 3: Cross multiply
    235,478.82x = 324,950.89 × 133,511.14
  4. Step 4: Simplify right side
    235,478.82x = 43,384,563,767.91
  5. Step 5: Solve for x
    x = 43,384,563,767.91/235,478.82
  6. Step 6: Final answer
    x = 184,239.77

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1.5x scale

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.