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Finding the Fourth Proportional to 169,189.48, 233,481.49 and 101,209.32

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Solution

The fourth proportional to 169,189.48, 233,481.49 and 101,209.32 is: 139,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,189.48 : 233,481.49 = 101,209.32 : x
  2. Step 2: Convert to fraction form
    169,189.48/233,481.49 = 101,209.32/x
  3. Step 3: Cross multiply
    169,189.48x = 233,481.49 × 101,209.32
  4. Step 4: Simplify right side
    169,189.48x = 23,630,502,835.49
  5. Step 5: Solve for x
    x = 23,630,502,835.49/169,189.48
  6. Step 6: Final answer
    x = 139,668.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.