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Finding the Fourth Proportional to 93,711.92, 140,623.32 and 34,589.36

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Solution

The fourth proportional to 93,711.92, 140,623.32 and 34,589.36 is: 51,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,711.92 : 140,623.32 = 34,589.36 : x
  2. Step 2: Convert to fraction form
    93,711.92/140,623.32 = 34,589.36/x
  3. Step 3: Cross multiply
    93,711.92x = 140,623.32 × 34,589.36
  4. Step 4: Simplify right side
    93,711.92x = 4,864,070,639.88
  5. Step 5: Solve for x
    x = 4,864,070,639.88/93,711.92
  6. Step 6: Final answer
    x = 51,904.50

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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.