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Finding the Fourth Proportional to 108,067.60, 162,024.60 and 48,931.60

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Solution

The fourth proportional to 108,067.60, 162,024.60 and 48,931.60 is: 73,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,067.60 : 162,024.60 = 48,931.60 : x
  2. Step 2: Convert to fraction form
    108,067.60/162,024.60 = 48,931.60/x
  3. Step 3: Cross multiply
    108,067.60x = 162,024.60 × 48,931.60
  4. Step 4: Simplify right side
    108,067.60x = 7,928,122,917.36
  5. Step 5: Solve for x
    x = 7,928,122,917.36/108,067.60
  6. Step 6: Final answer
    x = 73,362.63

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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.