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Finding the Fourth Proportional to 181,878.30, 272,817.45 and 125,891.10

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Solution

The fourth proportional to 181,878.30, 272,817.45 and 125,891.10 is: 188,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,878.30 : 272,817.45 = 125,891.10 : x
  2. Step 2: Convert to fraction form
    181,878.30/272,817.45 = 125,891.10/x
  3. Step 3: Cross multiply
    181,878.30x = 272,817.45 × 125,891.10
  4. Step 4: Simplify right side
    181,878.30x = 34,345,288,879.70
  5. Step 5: Solve for x
    x = 34,345,288,879.70/181,878.30
  6. Step 6: Final answer
    x = 188,836.65

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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.