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Finding the Fourth Proportional to 93,144.33, 128,551.86 and 52,874.37

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Solution

The fourth proportional to 93,144.33, 128,551.86 and 52,874.37 is: 72,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.33 : 128,551.86 = 52,874.37 : x
  2. Step 2: Convert to fraction form
    93,144.33/128,551.86 = 52,874.37/x
  3. Step 3: Cross multiply
    93,144.33x = 128,551.86 × 52,874.37
  4. Step 4: Simplify right side
    93,144.33x = 6,797,098,609.83
  5. Step 5: Solve for x
    x = 6,797,098,609.83/93,144.33
  6. Step 6: Final answer
    x = 72,973.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.