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Finding the Fourth Proportional to 317,171.79, 437,703.09 and 173,923.29

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Solution

The fourth proportional to 317,171.79, 437,703.09 and 173,923.29 is: 240,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,171.79 : 437,703.09 = 173,923.29 : x
  2. Step 2: Convert to fraction form
    317,171.79/437,703.09 = 173,923.29/x
  3. Step 3: Cross multiply
    317,171.79x = 437,703.09 × 173,923.29
  4. Step 4: Simplify right side
    317,171.79x = 76,126,760,586.35
  5. Step 5: Solve for x
    x = 76,126,760,586.35/317,171.79
  6. Step 6: Final answer
    x = 240,017.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.