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Finding the Fourth Proportional to 133,191.42, 199,662.57 and 48,928.96

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Solution

The fourth proportional to 133,191.42, 199,662.57 and 48,928.96 is: 73,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,191.42 : 199,662.57 = 48,928.96 : x
  2. Step 2: Convert to fraction form
    133,191.42/199,662.57 = 48,928.96/x
  3. Step 3: Cross multiply
    133,191.42x = 199,662.57 × 48,928.96
  4. Step 4: Simplify right side
    133,191.42x = 9,769,281,901.03
  5. Step 5: Solve for x
    x = 9,769,281,901.03/133,191.42
  6. Step 6: Final answer
    x = 73,347.68

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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.