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Finding the Fourth Proportional to 117,025.60, 175,514.10 and 50,467.90

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Solution

The fourth proportional to 117,025.60, 175,514.10 and 50,467.90 is: 75,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,025.60 : 175,514.10 = 50,467.90 : x
  2. Step 2: Convert to fraction form
    117,025.60/175,514.10 = 50,467.90/x
  3. Step 3: Cross multiply
    117,025.60x = 175,514.10 × 50,467.90
  4. Step 4: Simplify right side
    117,025.60x = 8,857,828,047.39
  5. Step 5: Solve for x
    x = 8,857,828,047.39/117,025.60
  6. Step 6: Final answer
    x = 75,691.37

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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.