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Finding the Fourth Proportional to 119,978.01, 179,967.96 and 41,092.92

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Solution

The fourth proportional to 119,978.01, 179,967.96 and 41,092.92 is: 61,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,978.01 : 179,967.96 = 41,092.92 : x
  2. Step 2: Convert to fraction form
    119,978.01/179,967.96 = 41,092.92/x
  3. Step 3: Cross multiply
    119,978.01x = 179,967.96 × 41,092.92
  4. Step 4: Simplify right side
    119,978.01x = 7,395,408,982.84
  5. Step 5: Solve for x
    x = 7,395,408,982.84/119,978.01
  6. Step 6: Final answer
    x = 61,639.70

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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.