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Finding the Fourth Proportional to 119,798.88, 179,390.99 and 116,251.43

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Solution

The fourth proportional to 119,798.88, 179,390.99 and 116,251.43 is: 174,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,798.88 : 179,390.99 = 116,251.43 : x
  2. Step 2: Convert to fraction form
    119,798.88/179,390.99 = 116,251.43/x
  3. Step 3: Cross multiply
    119,798.88x = 179,390.99 × 116,251.43
  4. Step 4: Simplify right side
    119,798.88x = 20,854,457,638.40
  5. Step 5: Solve for x
    x = 20,854,457,638.40/119,798.88
  6. Step 6: Final answer
    x = 174,078.90

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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.