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Finding the Fourth Proportional to 318,191.59, 477,172.57 and 93,491.92

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Solution

The fourth proportional to 318,191.59, 477,172.57 and 93,491.92 is: 140,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,191.59 : 477,172.57 = 93,491.92 : x
  2. Step 2: Convert to fraction form
    318,191.59/477,172.57 = 93,491.92/x
  3. Step 3: Cross multiply
    318,191.59x = 477,172.57 × 93,491.92
  4. Step 4: Simplify right side
    318,191.59x = 44,611,780,278.67
  5. Step 5: Solve for x
    x = 44,611,780,278.67/318,191.59
  6. Step 6: Final answer
    x = 140,204.15

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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.