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Finding the Fourth Proportional to 357,937.25, 536,909.12 and 108,619.25

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Solution

The fourth proportional to 357,937.25, 536,909.12 and 108,619.25 is: 162,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,937.25 : 536,909.12 = 108,619.25 : x
  2. Step 2: Convert to fraction form
    357,937.25/536,909.12 = 108,619.25/x
  3. Step 3: Cross multiply
    357,937.25x = 536,909.12 × 108,619.25
  4. Step 4: Simplify right side
    357,937.25x = 58,318,665,932.56
  5. Step 5: Solve for x
    x = 58,318,665,932.56/357,937.25
  6. Step 6: Final answer
    x = 162,929.86

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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.