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Finding the Fourth Proportional to 67,762.48, 93,558.90 and 51,819.16

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Solution

The fourth proportional to 67,762.48, 93,558.90 and 51,819.16 is: 71,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,762.48 : 93,558.90 = 51,819.16 : x
  2. Step 2: Convert to fraction form
    67,762.48/93,558.90 = 51,819.16/x
  3. Step 3: Cross multiply
    67,762.48x = 93,558.90 × 51,819.16
  4. Step 4: Simplify right side
    67,762.48x = 4,848,143,608.52
  5. Step 5: Solve for x
    x = 4,848,143,608.52/67,762.48
  6. Step 6: Final answer
    x = 71,546.14

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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.