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Finding the Fourth Proportional to 93,664.80, 140,497.20 and 54,201.60

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Solution

The fourth proportional to 93,664.80, 140,497.20 and 54,201.60 is: 81,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,664.80 : 140,497.20 = 54,201.60 : x
  2. Step 2: Convert to fraction form
    93,664.80/140,497.20 = 54,201.60/x
  3. Step 3: Cross multiply
    93,664.80x = 140,497.20 × 54,201.60
  4. Step 4: Simplify right side
    93,664.80x = 7,615,173,035.52
  5. Step 5: Solve for x
    x = 7,615,173,035.52/93,664.80
  6. Step 6: Final answer
    x = 81,302.40

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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.