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Finding the Fourth Proportional to 357,872.25, 536,811.62 and 108,554.25

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Solution

The fourth proportional to 357,872.25, 536,811.62 and 108,554.25 is: 162,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,872.25 : 536,811.62 = 108,554.25 : x
  2. Step 2: Convert to fraction form
    357,872.25/536,811.62 = 108,554.25/x
  3. Step 3: Cross multiply
    357,872.25x = 536,811.62 × 108,554.25
  4. Step 4: Simplify right side
    357,872.25x = 58,273,182,257.61
  5. Step 5: Solve for x
    x = 58,273,182,257.61/357,872.25
  6. Step 6: Final answer
    x = 162,832.36

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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.