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Finding the Fourth Proportional to 162,539.62, 243,748.79 and 55,893.41

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Solution

The fourth proportional to 162,539.62, 243,748.79 and 55,893.41 is: 83,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,539.62 : 243,748.79 = 55,893.41 : x
  2. Step 2: Convert to fraction form
    162,539.62/243,748.79 = 55,893.41/x
  3. Step 3: Cross multiply
    162,539.62x = 243,748.79 × 55,893.41
  4. Step 4: Simplify right side
    162,539.62x = 13,623,951,056.47
  5. Step 5: Solve for x
    x = 13,623,951,056.47/162,539.62
  6. Step 6: Final answer
    x = 83,819.26

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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.