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Finding the Fourth Proportional to 358,544.75, 537,817.17 and 109,226.75

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Solution

The fourth proportional to 358,544.75, 537,817.17 and 109,226.75 is: 163,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,544.75 : 537,817.17 = 109,226.75 : x
  2. Step 2: Convert to fraction form
    358,544.75/537,817.17 = 109,226.75/x
  3. Step 3: Cross multiply
    358,544.75x = 537,817.17 × 109,226.75
  4. Step 4: Simplify right side
    358,544.75x = 58,744,021,573.30
  5. Step 5: Solve for x
    x = 58,744,021,573.30/358,544.75
  6. Step 6: Final answer
    x = 163,840.14

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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.