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Finding the Fourth Proportional to 213,668.69, 320,660.63 and 101,349.27

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Solution

The fourth proportional to 213,668.69, 320,660.63 and 101,349.27 is: 152,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,668.69 : 320,660.63 = 101,349.27 : x
  2. Step 2: Convert to fraction form
    213,668.69/320,660.63 = 101,349.27/x
  3. Step 3: Cross multiply
    213,668.69x = 320,660.63 × 101,349.27
  4. Step 4: Simplify right side
    213,668.69x = 32,498,720,261.49
  5. Step 5: Solve for x
    x = 32,498,720,261.49/213,668.69
  6. Step 6: Final answer
    x = 152,098.66

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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.