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Finding the Fourth Proportional to 198,226.69, 273,411.51 and 181,926.39

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Solution

The fourth proportional to 198,226.69, 273,411.51 and 181,926.39 is: 250,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,226.69 : 273,411.51 = 181,926.39 : x
  2. Step 2: Convert to fraction form
    198,226.69/273,411.51 = 181,926.39/x
  3. Step 3: Cross multiply
    198,226.69x = 273,411.51 × 181,926.39
  4. Step 4: Simplify right side
    198,226.69x = 49,740,768,998.75
  5. Step 5: Solve for x
    x = 49,740,768,998.75/198,226.69
  6. Step 6: Final answer
    x = 250,928.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.