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Finding the Fourth Proportional to 334,105.80, 501,033.84 and 134,358.72

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Solution

The fourth proportional to 334,105.80, 501,033.84 and 134,358.72 is: 201,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,105.80 : 501,033.84 = 134,358.72 : x
  2. Step 2: Convert to fraction form
    334,105.80/501,033.84 = 134,358.72/x
  3. Step 3: Cross multiply
    334,105.80x = 501,033.84 × 134,358.72
  4. Step 4: Simplify right side
    334,105.80x = 67,318,265,419.08
  5. Step 5: Solve for x
    x = 67,318,265,419.08/334,105.80
  6. Step 6: Final answer
    x = 201,487.87

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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.