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Finding the Fourth Proportional to 234,707.37, 352,023.84 and 74,762.55

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Solution

The fourth proportional to 234,707.37, 352,023.84 and 74,762.55 is: 112,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,707.37 : 352,023.84 = 74,762.55 : x
  2. Step 2: Convert to fraction form
    234,707.37/352,023.84 = 74,762.55/x
  3. Step 3: Cross multiply
    234,707.37x = 352,023.84 × 74,762.55
  4. Step 4: Simplify right side
    234,707.37x = 26,318,199,939.19
  5. Step 5: Solve for x
    x = 26,318,199,939.19/234,707.37
  6. Step 6: Final answer
    x = 112,131.97

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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.