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Finding the Fourth Proportional to 234,279.52, 351,453.62 and 74,302.10

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Solution

The fourth proportional to 234,279.52, 351,453.62 and 74,302.10 is: 111,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279.52 : 351,453.62 = 74,302.10 : x
  2. Step 2: Convert to fraction form
    234,279.52/351,453.62 = 74,302.10/x
  3. Step 3: Cross multiply
    234,279.52x = 351,453.62 × 74,302.10
  4. Step 4: Simplify right side
    234,279.52x = 26,113,742,018.60
  5. Step 5: Solve for x
    x = 26,113,742,018.60/234,279.52
  6. Step 6: Final answer
    x = 111,464.04

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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.