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Finding the Fourth Proportional to 168,534.63, 252,856.62 and 50,207

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Solution

The fourth proportional to 168,534.63, 252,856.62 and 50,207 is: 75,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534.63 : 252,856.62 = 50,207 : x
  2. Step 2: Convert to fraction form
    168,534.63/252,856.62 = 50,207/x
  3. Step 3: Cross multiply
    168,534.63x = 252,856.62 × 50,207
  4. Step 4: Simplify right side
    168,534.63x = 12,695,172,320.34
  5. Step 5: Solve for x
    x = 12,695,172,320.34/168,534.63
  6. Step 6: Final answer
    x = 75,326.79

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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.