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Finding the Fourth Proportional to 133,762.60, 199,464.95 and 132,563.44

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Solution

The fourth proportional to 133,762.60, 199,464.95 and 132,563.44 is: 197,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,762.60 : 199,464.95 = 132,563.44 : x
  2. Step 2: Convert to fraction form
    133,762.60/199,464.95 = 132,563.44/x
  3. Step 3: Cross multiply
    133,762.60x = 199,464.95 × 132,563.44
  4. Step 4: Simplify right side
    133,762.60x = 26,441,759,931.43
  5. Step 5: Solve for x
    x = 26,441,759,931.43/133,762.60
  6. Step 6: Final answer
    x = 197,676.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.