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Finding the Fourth Proportional to 163,361.34, 244,926.81 and 63,438.30

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Solution

The fourth proportional to 163,361.34, 244,926.81 and 63,438.30 is: 95,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,361.34 : 244,926.81 = 63,438.30 : x
  2. Step 2: Convert to fraction form
    163,361.34/244,926.81 = 63,438.30/x
  3. Step 3: Cross multiply
    163,361.34x = 244,926.81 × 63,438.30
  4. Step 4: Simplify right side
    163,361.34x = 15,537,740,450.82
  5. Step 5: Solve for x
    x = 15,537,740,450.82/163,361.34
  6. Step 6: Final answer
    x = 95,112.71

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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.