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Finding the Fourth Proportional to 235,120.64, 352,694.30 and 75,210.62

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Solution

The fourth proportional to 235,120.64, 352,694.30 and 75,210.62 is: 112,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,120.64 : 352,694.30 = 75,210.62 : x
  2. Step 2: Convert to fraction form
    235,120.64/352,694.30 = 75,210.62/x
  3. Step 3: Cross multiply
    235,120.64x = 352,694.30 × 75,210.62
  4. Step 4: Simplify right side
    235,120.64x = 26,526,354,833.94
  5. Step 5: Solve for x
    x = 26,526,354,833.94/235,120.64
  6. Step 6: Final answer
    x = 112,820.19

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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.