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Finding the Fourth Proportional to 93,771.92, 140,653.56 and 34,603.76

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Solution

The fourth proportional to 93,771.92, 140,653.56 and 34,603.76 is: 51,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,771.92 : 140,653.56 = 34,603.76 : x
  2. Step 2: Convert to fraction form
    93,771.92/140,653.56 = 34,603.76/x
  3. Step 3: Cross multiply
    93,771.92x = 140,653.56 × 34,603.76
  4. Step 4: Simplify right side
    93,771.92x = 4,867,142,033.39
  5. Step 5: Solve for x
    x = 4,867,142,033.39/93,771.92
  6. Step 6: Final answer
    x = 51,904.05

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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.