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Finding the Fourth Proportional to 168,819.38, 253,266.51 and 63,639.26

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Solution

The fourth proportional to 168,819.38, 253,266.51 and 63,639.26 is: 95,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,819.38 : 253,266.51 = 63,639.26 : x
  2. Step 2: Convert to fraction form
    168,819.38/253,266.51 = 63,639.26/x
  3. Step 3: Cross multiply
    168,819.38x = 253,266.51 × 63,639.26
  4. Step 4: Simplify right side
    168,819.38x = 16,117,693,279.18
  5. Step 5: Solve for x
    x = 16,117,693,279.18/168,819.38
  6. Step 6: Final answer
    x = 95,473.00

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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.