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Finding the Fourth Proportional to 175,067.60, 262,601.40 and 50,421.20

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Solution

The fourth proportional to 175,067.60, 262,601.40 and 50,421.20 is: 75,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,067.60 : 262,601.40 = 50,421.20 : x
  2. Step 2: Convert to fraction form
    175,067.60/262,601.40 = 50,421.20/x
  3. Step 3: Cross multiply
    175,067.60x = 262,601.40 × 50,421.20
  4. Step 4: Simplify right side
    175,067.60x = 13,240,677,709.68
  5. Step 5: Solve for x
    x = 13,240,677,709.68/175,067.60
  6. Step 6: Final answer
    x = 75,631.80

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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.