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Finding the Fourth Proportional to 133,354.76, 199,821.47 and 108,272.26

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Solution

The fourth proportional to 133,354.76, 199,821.47 and 108,272.26 is: 162,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,354.76 : 199,821.47 = 108,272.26 : x
  2. Step 2: Convert to fraction form
    133,354.76/199,821.47 = 108,272.26/x
  3. Step 3: Cross multiply
    133,354.76x = 199,821.47 × 108,272.26
  4. Step 4: Simplify right side
    133,354.76x = 21,635,121,112.51
  5. Step 5: Solve for x
    x = 21,635,121,112.51/133,354.76
  6. Step 6: Final answer
    x = 162,237.34

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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.