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Finding the Fourth Proportional to 192,671.40, 289,007.10 and 161,567.40

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Solution

The fourth proportional to 192,671.40, 289,007.10 and 161,567.40 is: 242,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,671.40 : 289,007.10 = 161,567.40 : x
  2. Step 2: Convert to fraction form
    192,671.40/289,007.10 = 161,567.40/x
  3. Step 3: Cross multiply
    192,671.40x = 289,007.10 × 161,567.40
  4. Step 4: Simplify right side
    192,671.40x = 46,694,125,728.54
  5. Step 5: Solve for x
    x = 46,694,125,728.54/192,671.40
  6. Step 6: Final answer
    x = 242,351.10

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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.