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Finding the Fourth Proportional to 93,411.92, 140,192.60 and 49,064.82

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Solution

The fourth proportional to 93,411.92, 140,192.60 and 49,064.82 is: 73,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.92 : 140,192.60 = 49,064.82 : x
  2. Step 2: Convert to fraction form
    93,411.92/140,192.60 = 49,064.82/x
  3. Step 3: Cross multiply
    93,411.92x = 140,192.60 × 49,064.82
  4. Step 4: Simplify right side
    93,411.92x = 6,878,524,439.01
  5. Step 5: Solve for x
    x = 6,878,524,439.01/93,411.92
  6. Step 6: Final answer
    x = 73,636.48

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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.