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Finding the Fourth Proportional to 235,568.90, 352,489.35 and 173,360.90

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Solution

The fourth proportional to 235,568.90, 352,489.35 and 173,360.90 is: 259,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,568.90 : 352,489.35 = 173,360.90 : x
  2. Step 2: Convert to fraction form
    235,568.90/352,489.35 = 173,360.90/x
  3. Step 3: Cross multiply
    235,568.90x = 352,489.35 × 173,360.90
  4. Step 4: Simplify right side
    235,568.90x = 61,107,870,956.42
  5. Step 5: Solve for x
    x = 61,107,870,956.42/235,568.90
  6. Step 6: Final answer
    x = 259,405.51

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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.