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Finding the Fourth Proportional to 234,014.62, 351,074.72 and 74,100.24

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Solution

The fourth proportional to 234,014.62, 351,074.72 and 74,100.24 is: 111,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,014.62 : 351,074.72 = 74,100.24 : x
  2. Step 2: Convert to fraction form
    234,014.62/351,074.72 = 74,100.24/x
  3. Step 3: Cross multiply
    234,014.62x = 351,074.72 × 74,100.24
  4. Step 4: Simplify right side
    234,014.62x = 26,014,721,009.93
  5. Step 5: Solve for x
    x = 26,014,721,009.93/234,014.62
  6. Step 6: Final answer
    x = 111,167.08

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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.