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Finding the Fourth Proportional to 294,782.69, 442,174.03 and 73,166.69

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Solution

The fourth proportional to 294,782.69, 442,174.03 and 73,166.69 is: 109,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,782.69 : 442,174.03 = 73,166.69 : x
  2. Step 2: Convert to fraction form
    294,782.69/442,174.03 = 73,166.69/x
  3. Step 3: Cross multiply
    294,782.69x = 442,174.03 × 73,166.69
  4. Step 4: Simplify right side
    294,782.69x = 32,352,407,785.27
  5. Step 5: Solve for x
    x = 32,352,407,785.27/294,782.69
  6. Step 6: Final answer
    x = 109,750.03

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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.