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Finding the Fourth Proportional to 235,759.48, 325,342.38 and 135,151

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Solution

The fourth proportional to 235,759.48, 325,342.38 and 135,151 is: 186,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,759.48 : 325,342.38 = 135,151 : x
  2. Step 2: Convert to fraction form
    235,759.48/325,342.38 = 135,151/x
  3. Step 3: Cross multiply
    235,759.48x = 325,342.38 × 135,151
  4. Step 4: Simplify right side
    235,759.48x = 43,970,347,999.38
  5. Step 5: Solve for x
    x = 43,970,347,999.38/235,759.48
  6. Step 6: Final answer
    x = 186,505.11

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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.