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Finding the Fourth Proportional to 234,051.18, 351,086.80 and 91,927.26

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Solution

The fourth proportional to 234,051.18, 351,086.80 and 91,927.26 is: 137,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,051.18 : 351,086.80 = 91,927.26 : x
  2. Step 2: Convert to fraction form
    234,051.18/351,086.80 = 91,927.26/x
  3. Step 3: Cross multiply
    234,051.18x = 351,086.80 × 91,927.26
  4. Step 4: Simplify right side
    234,051.18x = 32,274,447,546.17
  5. Step 5: Solve for x
    x = 32,274,447,546.17/234,051.18
  6. Step 6: Final answer
    x = 137,894.83

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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.