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Finding the Fourth Proportional to 192,930.55, 289,406.76 and 59,829.73

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Solution

The fourth proportional to 192,930.55, 289,406.76 and 59,829.73 is: 89,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,930.55 : 289,406.76 = 59,829.73 : x
  2. Step 2: Convert to fraction form
    192,930.55/289,406.76 = 59,829.73/x
  3. Step 3: Cross multiply
    192,930.55x = 289,406.76 × 59,829.73
  4. Step 4: Simplify right side
    192,930.55x = 17,315,129,495.82
  5. Step 5: Solve for x
    x = 17,315,129,495.82/192,930.55
  6. Step 6: Final answer
    x = 89,747.99

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1.5x scale

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.