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Finding the Fourth Proportional to 119,800.88, 179,662.36 and 39,817.28

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Solution

The fourth proportional to 119,800.88, 179,662.36 and 39,817.28 is: 59,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800.88 : 179,662.36 = 39,817.28 : x
  2. Step 2: Convert to fraction form
    119,800.88/179,662.36 = 39,817.28/x
  3. Step 3: Cross multiply
    119,800.88x = 179,662.36 × 39,817.28
  4. Step 4: Simplify right side
    119,800.88x = 7,153,666,493.58
  5. Step 5: Solve for x
    x = 7,153,666,493.58/119,800.88
  6. Step 6: Final answer
    x = 59,712.97

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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.