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Finding the Fourth Proportional to 220,672.81, 304,563.14 and 134,650.59

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Solution

The fourth proportional to 220,672.81, 304,563.14 and 134,650.59 is: 185,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,672.81 : 304,563.14 = 134,650.59 : x
  2. Step 2: Convert to fraction form
    220,672.81/304,563.14 = 134,650.59/x
  3. Step 3: Cross multiply
    220,672.81x = 304,563.14 × 134,650.59
  4. Step 4: Simplify right side
    220,672.81x = 41,009,606,493.25
  5. Step 5: Solve for x
    x = 41,009,606,493.25/220,672.81
  6. Step 6: Final answer
    x = 185,838.96

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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.