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Finding the Fourth Proportional to 108,402.84, 162,624.24 and 49,242.96

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Solution

The fourth proportional to 108,402.84, 162,624.24 and 49,242.96 is: 73,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,402.84 : 162,624.24 = 49,242.96 : x
  2. Step 2: Convert to fraction form
    108,402.84/162,624.24 = 49,242.96/x
  3. Step 3: Cross multiply
    108,402.84x = 162,624.24 × 49,242.96
  4. Step 4: Simplify right side
    108,402.84x = 8,008,098,945.35
  5. Step 5: Solve for x
    x = 8,008,098,945.35/108,402.84
  6. Step 6: Final answer
    x = 73,873.52

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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.