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Finding the Fourth Proportional to 168,461.60, 252,690 and 50,133.56

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Solution

The fourth proportional to 168,461.60, 252,690 and 50,133.56 is: 75,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,461.60 : 252,690 = 50,133.56 : x
  2. Step 2: Convert to fraction form
    168,461.60/252,690 = 50,133.56/x
  3. Step 3: Cross multiply
    168,461.60x = 252,690 × 50,133.56
  4. Step 4: Simplify right side
    168,461.60x = 12,668,249,276.40
  5. Step 5: Solve for x
    x = 12,668,249,276.40/168,461.60
  6. Step 6: Final answer
    x = 75,199.63

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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.