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Finding the Fourth Proportional to 108,027.88, 161,808.54 and 105,384.04

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Solution

The fourth proportional to 108,027.88, 161,808.54 and 105,384.04 is: 157,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.88 : 161,808.54 = 105,384.04 : x
  2. Step 2: Convert to fraction form
    108,027.88/161,808.54 = 105,384.04/x
  3. Step 3: Cross multiply
    108,027.88x = 161,808.54 × 105,384.04
  4. Step 4: Simplify right side
    108,027.88x = 17,052,037,651.70
  5. Step 5: Solve for x
    x = 17,052,037,651.70/108,027.88
  6. Step 6: Final answer
    x = 157,848.49

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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.