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Finding the Fourth Proportional to 108,122.00, 162,212.58 and 52,009.02

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Solution

The fourth proportional to 108,122.00, 162,212.58 and 52,009.02 is: 78,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,122.00 : 162,212.58 = 52,009.02 : x
  2. Step 2: Convert to fraction form
    108,122.00/162,212.58 = 52,009.02/x
  3. Step 3: Cross multiply
    108,122.00x = 162,212.58 × 52,009.02
  4. Step 4: Simplify right side
    108,122.00x = 8,436,517,317.47
  5. Step 5: Solve for x
    x = 8,436,517,317.47/108,122.00
  6. Step 6: Final answer
    x = 78,027.76

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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.