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Finding the Fourth Proportional to 200,347.74, 300,450.54 and 73,961.04

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Solution

The fourth proportional to 200,347.74, 300,450.54 and 73,961.04 is: 110,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,347.74 : 300,450.54 = 73,961.04 : x
  2. Step 2: Convert to fraction form
    200,347.74/300,450.54 = 73,961.04/x
  3. Step 3: Cross multiply
    200,347.74x = 300,450.54 × 73,961.04
  4. Step 4: Simplify right side
    200,347.74x = 22,221,634,406.96
  5. Step 5: Solve for x
    x = 22,221,634,406.96/200,347.74
  6. Step 6: Final answer
    x = 110,915.32

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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.