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Finding the Fourth Proportional to 343,102.35, 514,673.69 and 132,741.39

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Solution

The fourth proportional to 343,102.35, 514,673.69 and 132,741.39 is: 199,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,102.35 : 514,673.69 = 132,741.39 : x
  2. Step 2: Convert to fraction form
    343,102.35/514,673.69 = 132,741.39/x
  3. Step 3: Cross multiply
    343,102.35x = 514,673.69 × 132,741.39
  4. Step 4: Simplify right side
    343,102.35x = 68,318,500,343.32
  5. Step 5: Solve for x
    x = 68,318,500,343.32/343,102.35
  6. Step 6: Final answer
    x = 199,119.88

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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.