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Finding the Fourth Proportional to 483,513.25, 725,098.25 and 141,861.32

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Solution

The fourth proportional to 483,513.25, 725,098.25 and 141,861.32 is: 212,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,513.25 : 725,098.25 = 141,861.32 : x
  2. Step 2: Convert to fraction form
    483,513.25/725,098.25 = 141,861.32/x
  3. Step 3: Cross multiply
    483,513.25x = 725,098.25 × 141,861.32
  4. Step 4: Simplify right side
    483,513.25x = 102,863,397,042.09
  5. Step 5: Solve for x
    x = 102,863,397,042.09/483,513.25
  6. Step 6: Final answer
    x = 212,741.63

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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.