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Finding the Fourth Proportional to 100,609.55, 150,905.08 and 34,042.04

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Solution

The fourth proportional to 100,609.55, 150,905.08 and 34,042.04 is: 51,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609.55 : 150,905.08 = 34,042.04 : x
  2. Step 2: Convert to fraction form
    100,609.55/150,905.08 = 34,042.04/x
  3. Step 3: Cross multiply
    100,609.55x = 150,905.08 × 34,042.04
  4. Step 4: Simplify right side
    100,609.55x = 5,137,115,844.83
  5. Step 5: Solve for x
    x = 5,137,115,844.83/100,609.55
  6. Step 6: Final answer
    x = 51,059.93

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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.