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Finding the Fourth Proportional to 338,850.53, 508,168.72 and 114,158.60

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Solution

The fourth proportional to 338,850.53, 508,168.72 and 114,158.60 is: 171,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,850.53 : 508,168.72 = 114,158.60 : x
  2. Step 2: Convert to fraction form
    338,850.53/508,168.72 = 114,158.60/x
  3. Step 3: Cross multiply
    338,850.53x = 508,168.72 × 114,158.60
  4. Step 4: Simplify right side
    338,850.53x = 58,011,829,638.99
  5. Step 5: Solve for x
    x = 58,011,829,638.99/338,850.53
  6. Step 6: Final answer
    x = 171,201.83

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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.