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Finding the Fourth Proportional to 181,451.60, 272,177.40 and 82,955.60

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Solution

The fourth proportional to 181,451.60, 272,177.40 and 82,955.60 is: 124,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,451.60 : 272,177.40 = 82,955.60 : x
  2. Step 2: Convert to fraction form
    181,451.60/272,177.40 = 82,955.60/x
  3. Step 3: Cross multiply
    181,451.60x = 272,177.40 × 82,955.60
  4. Step 4: Simplify right side
    181,451.60x = 22,578,639,523.44
  5. Step 5: Solve for x
    x = 22,578,639,523.44/181,451.60
  6. Step 6: Final answer
    x = 124,433.40

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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.