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Finding the Fourth Proportional to 169,270.02, 253,987.92 and 119,668.86

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Solution

The fourth proportional to 169,270.02, 253,987.92 and 119,668.86 is: 179,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,270.02 : 253,987.92 = 119,668.86 : x
  2. Step 2: Convert to fraction form
    169,270.02/253,987.92 = 119,668.86/x
  3. Step 3: Cross multiply
    169,270.02x = 253,987.92 × 119,668.86
  4. Step 4: Simplify right side
    169,270.02x = 30,394,444,840.17
  5. Step 5: Solve for x
    x = 30,394,444,840.17/169,270.02
  6. Step 6: Final answer
    x = 179,561.89

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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.