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Finding the Fourth Proportional to 181,727.80, 272,591.70 and 125,740.60

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Solution

The fourth proportional to 181,727.80, 272,591.70 and 125,740.60 is: 188,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,727.80 : 272,591.70 = 125,740.60 : x
  2. Step 2: Convert to fraction form
    181,727.80/272,591.70 = 125,740.60/x
  3. Step 3: Cross multiply
    181,727.80x = 272,591.70 × 125,740.60
  4. Step 4: Simplify right side
    181,727.80x = 34,275,843,913.02
  5. Step 5: Solve for x
    x = 34,275,843,913.02/181,727.80
  6. Step 6: Final answer
    x = 188,610.90

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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.