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Finding the Fourth Proportional to 197,011.60, 295,171.80 and 161,760.40

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Solution

The fourth proportional to 197,011.60, 295,171.80 and 161,760.40 is: 242,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,011.60 : 295,171.80 = 161,760.40 : x
  2. Step 2: Convert to fraction form
    197,011.60/295,171.80 = 161,760.40/x
  3. Step 3: Cross multiply
    197,011.60x = 295,171.80 × 161,760.40
  4. Step 4: Simplify right side
    197,011.60x = 47,747,108,436.72
  5. Step 5: Solve for x
    x = 47,747,108,436.72/197,011.60
  6. Step 6: Final answer
    x = 242,356.84

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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.