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Finding the Fourth Proportional to 234,538.56, 351,860.40 and 74,623.68

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Solution

The fourth proportional to 234,538.56, 351,860.40 and 74,623.68 is: 111,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,538.56 : 351,860.40 = 74,623.68 : x
  2. Step 2: Convert to fraction form
    234,538.56/351,860.40 = 74,623.68/x
  3. Step 3: Cross multiply
    234,538.56x = 351,860.40 × 74,623.68
  4. Step 4: Simplify right side
    234,538.56x = 26,257,117,894.27
  5. Step 5: Solve for x
    x = 26,257,117,894.27/234,538.56
  6. Step 6: Final answer
    x = 111,952.24

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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.