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Finding the Fourth Proportional to 108,355.84, 162,533.02 and 29,469.76

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Solution

The fourth proportional to 108,355.84, 162,533.02 and 29,469.76 is: 44,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,355.84 : 162,533.02 = 29,469.76 : x
  2. Step 2: Convert to fraction form
    108,355.84/162,533.02 = 29,469.76/x
  3. Step 3: Cross multiply
    108,355.84x = 162,533.02 × 29,469.76
  4. Step 4: Simplify right side
    108,355.84x = 4,789,809,091.48
  5. Step 5: Solve for x
    x = 4,789,809,091.48/108,355.84
  6. Step 6: Final answer
    x = 44,204.44

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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.