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Finding the Fourth Proportional to 168,392.93, 252,629.61 and 56,074.12

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Solution

The fourth proportional to 168,392.93, 252,629.61 and 56,074.12 is: 84,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.93 : 252,629.61 = 56,074.12 : x
  2. Step 2: Convert to fraction form
    168,392.93/252,629.61 = 56,074.12/x
  3. Step 3: Cross multiply
    168,392.93x = 252,629.61 × 56,074.12
  4. Step 4: Simplify right side
    168,392.93x = 14,165,983,066.69
  5. Step 5: Solve for x
    x = 14,165,983,066.69/168,392.93
  6. Step 6: Final answer
    x = 84,124.57

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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.