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Finding the Fourth Proportional to 361,522.08, 542,173.62 and 108,735.42

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Solution

The fourth proportional to 361,522.08, 542,173.62 and 108,735.42 is: 163,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,522.08 : 542,173.62 = 108,735.42 : x
  2. Step 2: Convert to fraction form
    361,522.08/542,173.62 = 108,735.42/x
  3. Step 3: Cross multiply
    361,522.08x = 542,173.62 × 108,735.42
  4. Step 4: Simplify right side
    361,522.08x = 58,953,476,283.62
  5. Step 5: Solve for x
    x = 58,953,476,283.62/361,522.08
  6. Step 6: Final answer
    x = 163,070.20

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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.