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Finding the Fourth Proportional to 240,668.91, 360,998.52 and 82,893.87

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Solution

The fourth proportional to 240,668.91, 360,998.52 and 82,893.87 is: 124,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,668.91 : 360,998.52 = 82,893.87 : x
  2. Step 2: Convert to fraction form
    240,668.91/360,998.52 = 82,893.87/x
  3. Step 3: Cross multiply
    240,668.91x = 360,998.52 × 82,893.87
  4. Step 4: Simplify right side
    240,668.91x = 29,924,564,387.07
  5. Step 5: Solve for x
    x = 29,924,564,387.07/240,668.91
  6. Step 6: Final answer
    x = 124,339.14

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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.