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Finding the Fourth Proportional to 119,858.72, 179,898.51 and 60,736.28

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Solution

The fourth proportional to 119,858.72, 179,898.51 and 60,736.28 is: 91,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,858.72 : 179,898.51 = 60,736.28 : x
  2. Step 2: Convert to fraction form
    119,858.72/179,898.51 = 60,736.28/x
  3. Step 3: Cross multiply
    119,858.72x = 179,898.51 × 60,736.28
  4. Step 4: Simplify right side
    119,858.72x = 10,926,366,274.94
  5. Step 5: Solve for x
    x = 10,926,366,274.94/119,858.72
  6. Step 6: Final answer
    x = 91,160.38

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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.