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Finding the Fourth Proportional to 168,776.35, 253,015.53 and 63,669.13

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Solution

The fourth proportional to 168,776.35, 253,015.53 and 63,669.13 is: 95,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,776.35 : 253,015.53 = 63,669.13 : x
  2. Step 2: Convert to fraction form
    168,776.35/253,015.53 = 63,669.13/x
  3. Step 3: Cross multiply
    168,776.35x = 253,015.53 × 63,669.13
  4. Step 4: Simplify right side
    168,776.35x = 16,109,277,406.51
  5. Step 5: Solve for x
    x = 16,109,277,406.51/168,776.35
  6. Step 6: Final answer
    x = 95,447.48

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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.