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Finding the Fourth Proportional to 162,537.62, 243,745.79 and 55,891.40

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Solution

The fourth proportional to 162,537.62, 243,745.79 and 55,891.40 is: 83,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,537.62 : 243,745.79 = 55,891.40 : x
  2. Step 2: Convert to fraction form
    162,537.62/243,745.79 = 55,891.40/x
  3. Step 3: Cross multiply
    162,537.62x = 243,745.79 × 55,891.40
  4. Step 4: Simplify right side
    162,537.62x = 13,623,294,196.30
  5. Step 5: Solve for x
    x = 13,623,294,196.30/162,537.62
  6. Step 6: Final answer
    x = 83,816.26

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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.