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Finding the Fourth Proportional to 192,370.73, 288,570.60 and 57,424.14

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Solution

The fourth proportional to 192,370.73, 288,570.60 and 57,424.14 is: 86,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,370.73 : 288,570.60 = 57,424.14 : x
  2. Step 2: Convert to fraction form
    192,370.73/288,570.60 = 57,424.14/x
  3. Step 3: Cross multiply
    192,370.73x = 288,570.60 × 57,424.14
  4. Step 4: Simplify right side
    192,370.73x = 16,570,918,534.28
  5. Step 5: Solve for x
    x = 16,570,918,534.28/192,370.73
  6. Step 6: Final answer
    x = 86,140.54

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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.