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Finding the Fourth Proportional to 168,904, 253,356 and 63,698.37

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Solution

The fourth proportional to 168,904, 253,356 and 63,698.37 is: 95,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,904 : 253,356 = 63,698.37 : x
  2. Step 2: Convert to fraction form
    168,904/253,356 = 63,698.37/x
  3. Step 3: Cross multiply
    168,904x = 253,356 × 63,698.37
  4. Step 4: Simplify right side
    168,904x = 16,138,364,229.72
  5. Step 5: Solve for x
    x = 16,138,364,229.72/168,904
  6. Step 6: Final answer
    x = 95,547.56

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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.