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Finding the Fourth Proportional to 136,315.52, 204,201 and 108,283.04

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Solution

The fourth proportional to 136,315.52, 204,201 and 108,283.04 is: 162,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,315.52 : 204,201 = 108,283.04 : x
  2. Step 2: Convert to fraction form
    136,315.52/204,201 = 108,283.04/x
  3. Step 3: Cross multiply
    136,315.52x = 204,201 × 108,283.04
  4. Step 4: Simplify right side
    136,315.52x = 22,111,505,051.04
  5. Step 5: Solve for x
    x = 22,111,505,051.04/136,315.52
  6. Step 6: Final answer
    x = 162,208.27

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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.