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Finding the Fourth Proportional to 192,760.60, 289,130.10 and 59,639.80

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Solution

The fourth proportional to 192,760.60, 289,130.10 and 59,639.80 is: 89,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,760.60 : 289,130.10 = 59,639.80 : x
  2. Step 2: Convert to fraction form
    192,760.60/289,130.10 = 59,639.80/x
  3. Step 3: Cross multiply
    192,760.60x = 289,130.10 × 59,639.80
  4. Step 4: Simplify right side
    192,760.60x = 17,243,661,337.98
  5. Step 5: Solve for x
    x = 17,243,661,337.98/192,760.60
  6. Step 6: Final answer
    x = 89,456.36

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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.