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Finding the Fourth Proportional to 133,059.30, 199,588.95 and 119,937.30

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Solution

The fourth proportional to 133,059.30, 199,588.95 and 119,937.30 is: 179,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059.30 : 199,588.95 = 119,937.30 : x
  2. Step 2: Convert to fraction form
    133,059.30/199,588.95 = 119,937.30/x
  3. Step 3: Cross multiply
    133,059.30x = 199,588.95 × 119,937.30
  4. Step 4: Simplify right side
    133,059.30x = 23,938,159,772.84
  5. Step 5: Solve for x
    x = 23,938,159,772.84/133,059.30
  6. Step 6: Final answer
    x = 179,905.95

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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.