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Finding the Fourth Proportional to 188,777.40, 283,166.10 and 181,519.80

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Solution

The fourth proportional to 188,777.40, 283,166.10 and 181,519.80 is: 272,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,777.40 : 283,166.10 = 181,519.80 : x
  2. Step 2: Convert to fraction form
    188,777.40/283,166.10 = 181,519.80/x
  3. Step 3: Cross multiply
    188,777.40x = 283,166.10 × 181,519.80
  4. Step 4: Simplify right side
    188,777.40x = 51,400,253,838.78
  5. Step 5: Solve for x
    x = 51,400,253,838.78/188,777.40
  6. Step 6: Final answer
    x = 272,279.70

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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.