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Finding the Fourth Proportional to 133,362.12, 199,904.94 and 63,188.04

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Solution

The fourth proportional to 133,362.12, 199,904.94 and 63,188.04 is: 94,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.12 : 199,904.94 = 63,188.04 : x
  2. Step 2: Convert to fraction form
    133,362.12/199,904.94 = 63,188.04/x
  3. Step 3: Cross multiply
    133,362.12x = 199,904.94 × 63,188.04
  4. Step 4: Simplify right side
    133,362.12x = 12,631,601,344.92
  5. Step 5: Solve for x
    x = 12,631,601,344.92/133,362.12
  6. Step 6: Final answer
    x = 94,716.56

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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.