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Finding the Fourth Proportional to 162,391.38, 243,564.84 and 48,537.60

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Solution

The fourth proportional to 162,391.38, 243,564.84 and 48,537.60 is: 72,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,391.38 : 243,564.84 = 48,537.60 : x
  2. Step 2: Convert to fraction form
    162,391.38/243,564.84 = 48,537.60/x
  3. Step 3: Cross multiply
    162,391.38x = 243,564.84 × 48,537.60
  4. Step 4: Simplify right side
    162,391.38x = 11,822,052,777.98
  5. Step 5: Solve for x
    x = 11,822,052,777.98/162,391.38
  6. Step 6: Final answer
    x = 72,799.76

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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.