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Finding the Fourth Proportional to 334,595.43, 501,884.91 and 81,873.90

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Solution

The fourth proportional to 334,595.43, 501,884.91 and 81,873.90 is: 122,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,595.43 : 501,884.91 = 81,873.90 : x
  2. Step 2: Convert to fraction form
    334,595.43/501,884.91 = 81,873.90/x
  3. Step 3: Cross multiply
    334,595.43x = 501,884.91 × 81,873.90
  4. Step 4: Simplify right side
    334,595.43x = 41,091,274,932.85
  5. Step 5: Solve for x
    x = 41,091,274,932.85/334,595.43
  6. Step 6: Final answer
    x = 122,808.83

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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.