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Finding the Fourth Proportional to 169,326.30, 233,564.55 and 108,975.90

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Solution

The fourth proportional to 169,326.30, 233,564.55 and 108,975.90 is: 150,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,326.30 : 233,564.55 = 108,975.90 : x
  2. Step 2: Convert to fraction form
    169,326.30/233,564.55 = 108,975.90/x
  3. Step 3: Cross multiply
    169,326.30x = 233,564.55 × 108,975.90
  4. Step 4: Simplify right side
    169,326.30x = 25,452,907,044.35
  5. Step 5: Solve for x
    x = 25,452,907,044.35/169,326.30
  6. Step 6: Final answer
    x = 150,318.69

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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.