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Finding the Fourth Proportional to 197,115.80, 295,673.70 and 181,909.40

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Solution

The fourth proportional to 197,115.80, 295,673.70 and 181,909.40 is: 272,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,115.80 : 295,673.70 = 181,909.40 : x
  2. Step 2: Convert to fraction form
    197,115.80/295,673.70 = 181,909.40/x
  3. Step 3: Cross multiply
    197,115.80x = 295,673.70 × 181,909.40
  4. Step 4: Simplify right side
    197,115.80x = 53,785,825,362.78
  5. Step 5: Solve for x
    x = 53,785,825,362.78/197,115.80
  6. Step 6: Final answer
    x = 272,864.10

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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.