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Finding the Fourth Proportional to 234,068.64, 351,015.92 and 84,268.32

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Solution

The fourth proportional to 234,068.64, 351,015.92 and 84,268.32 is: 126,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,068.64 : 351,015.92 = 84,268.32 : x
  2. Step 2: Convert to fraction form
    234,068.64/351,015.92 = 84,268.32/x
  3. Step 3: Cross multiply
    234,068.64x = 351,015.92 × 84,268.32
  4. Step 4: Simplify right side
    234,068.64x = 29,579,521,871.65
  5. Step 5: Solve for x
    x = 29,579,521,871.65/234,068.64
  6. Step 6: Final answer
    x = 126,371.14

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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.