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Finding the Fourth Proportional to 192,970.54, 288,957.21 and 133,183.45

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Solution

The fourth proportional to 192,970.54, 288,957.21 and 133,183.45 is: 199,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,970.54 : 288,957.21 = 133,183.45 : x
  2. Step 2: Convert to fraction form
    192,970.54/288,957.21 = 133,183.45/x
  3. Step 3: Cross multiply
    192,970.54x = 288,957.21 × 133,183.45
  4. Step 4: Simplify right side
    192,970.54x = 38,484,318,130.17
  5. Step 5: Solve for x
    x = 38,484,318,130.17/192,970.54
  6. Step 6: Final answer
    x = 199,431.05

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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.