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Finding the Fourth Proportional to 93,325, 140,001.60 and 30,124

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Solution

The fourth proportional to 93,325, 140,001.60 and 30,124 is: 45,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,325 : 140,001.60 = 30,124 : x
  2. Step 2: Convert to fraction form
    93,325/140,001.60 = 30,124/x
  3. Step 3: Cross multiply
    93,325x = 140,001.60 × 30,124
  4. Step 4: Simplify right side
    93,325x = 4,217,408,198.40
  5. Step 5: Solve for x
    x = 4,217,408,198.40/93,325
  6. Step 6: Final answer
    x = 45,190.55

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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.