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Finding the Fourth Proportional to 317,380.50, 476,101.43 and 92,735.81

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Solution

The fourth proportional to 317,380.50, 476,101.43 and 92,735.81 is: 139,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,380.50 : 476,101.43 = 92,735.81 : x
  2. Step 2: Convert to fraction form
    317,380.50/476,101.43 = 92,735.81/x
  3. Step 3: Cross multiply
    317,380.50x = 476,101.43 × 92,735.81
  4. Step 4: Simplify right side
    317,380.50x = 44,151,648,909.02
  5. Step 5: Solve for x
    x = 44,151,648,909.02/317,380.50
  6. Step 6: Final answer
    x = 139,112.67

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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.