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Finding the Fourth Proportional to 168,206.25, 252,358.08 and 49,880.45

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Solution

The fourth proportional to 168,206.25, 252,358.08 and 49,880.45 is: 74,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,206.25 : 252,358.08 = 49,880.45 : x
  2. Step 2: Convert to fraction form
    168,206.25/252,358.08 = 49,880.45/x
  3. Step 3: Cross multiply
    168,206.25x = 252,358.08 × 49,880.45
  4. Step 4: Simplify right side
    168,206.25x = 12,587,733,329.75
  5. Step 5: Solve for x
    x = 12,587,733,329.75/168,206.25
  6. Step 6: Final answer
    x = 74,835.11

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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.