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Finding the Fourth Proportional to 119,898.78, 179,404.29 and 96,133.65

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Solution

The fourth proportional to 119,898.78, 179,404.29 and 96,133.65 is: 143,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898.78 : 179,404.29 = 96,133.65 : x
  2. Step 2: Convert to fraction form
    119,898.78/179,404.29 = 96,133.65/x
  3. Step 3: Cross multiply
    119,898.78x = 179,404.29 × 96,133.65
  4. Step 4: Simplify right side
    119,898.78x = 17,246,789,223.36
  5. Step 5: Solve for x
    x = 17,246,789,223.36/119,898.78
  6. Step 6: Final answer
    x = 143,844.58

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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.