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Finding the Fourth Proportional to 317,232.21, 475,878.43 and 114,879.42

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Solution

The fourth proportional to 317,232.21, 475,878.43 and 114,879.42 is: 172,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,232.21 : 475,878.43 = 114,879.42 : x
  2. Step 2: Convert to fraction form
    317,232.21/475,878.43 = 114,879.42/x
  3. Step 3: Cross multiply
    317,232.21x = 475,878.43 × 114,879.42
  4. Step 4: Simplify right side
    317,232.21x = 54,668,638,644.21
  5. Step 5: Solve for x
    x = 54,668,638,644.21/317,232.21
  6. Step 6: Final answer
    x = 172,330.04

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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.