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Finding the Fourth Proportional to 317,161.85, 437,689.36 and 173,913.35

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Solution

The fourth proportional to 317,161.85, 437,689.36 and 173,913.35 is: 240,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,161.85 : 437,689.36 = 173,913.35 : x
  2. Step 2: Convert to fraction form
    317,161.85/437,689.36 = 173,913.35/x
  3. Step 3: Cross multiply
    317,161.85x = 437,689.36 × 173,913.35
  4. Step 4: Simplify right side
    317,161.85x = 76,120,024,168.57
  5. Step 5: Solve for x
    x = 76,120,024,168.57/317,161.85
  6. Step 6: Final answer
    x = 240,003.72

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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.