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Finding the Fourth Proportional to 353,452.25, 530,098.52 and 100,727.31

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Solution

The fourth proportional to 353,452.25, 530,098.52 and 100,727.31 is: 151,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,452.25 : 530,098.52 = 100,727.31 : x
  2. Step 2: Convert to fraction form
    353,452.25/530,098.52 = 100,727.31/x
  3. Step 3: Cross multiply
    353,452.25x = 530,098.52 × 100,727.31
  4. Step 4: Simplify right side
    353,452.25x = 53,395,397,954.58
  5. Step 5: Solve for x
    x = 53,395,397,954.58/353,452.25
  6. Step 6: Final answer
    x = 151,068.21

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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.