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Finding the Fourth Proportional to 169,805.65, 234,354.02 and 109,551.58

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Solution

The fourth proportional to 169,805.65, 234,354.02 and 109,551.58 is: 151,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.65 : 234,354.02 = 109,551.58 : x
  2. Step 2: Convert to fraction form
    169,805.65/234,354.02 = 109,551.58/x
  3. Step 3: Cross multiply
    169,805.65x = 234,354.02 × 109,551.58
  4. Step 4: Simplify right side
    169,805.65x = 25,673,852,477.43
  5. Step 5: Solve for x
    x = 25,673,852,477.43/169,805.65
  6. Step 6: Final answer
    x = 151,195.52

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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.