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Finding the Fourth Proportional to 133,053.30, 199,579.95 and 119,931.30

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Solution

The fourth proportional to 133,053.30, 199,579.95 and 119,931.30 is: 179,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.30 : 199,579.95 = 119,931.30 : x
  2. Step 2: Convert to fraction form
    133,053.30/199,579.95 = 119,931.30/x
  3. Step 3: Cross multiply
    133,053.30x = 199,579.95 × 119,931.30
  4. Step 4: Simplify right side
    133,053.30x = 23,935,882,857.44
  5. Step 5: Solve for x
    x = 23,935,882,857.44/133,053.30
  6. Step 6: Final answer
    x = 179,896.95

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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.