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Finding the Fourth Proportional to 177,841.56, 266,837.22 and 77,950.20

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Solution

The fourth proportional to 177,841.56, 266,837.22 and 77,950.20 is: 116,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,841.56 : 266,837.22 = 77,950.20 : x
  2. Step 2: Convert to fraction form
    177,841.56/266,837.22 = 77,950.20/x
  3. Step 3: Cross multiply
    177,841.56x = 266,837.22 × 77,950.20
  4. Step 4: Simplify right side
    177,841.56x = 20,800,014,666.44
  5. Step 5: Solve for x
    x = 20,800,014,666.44/177,841.56
  6. Step 6: Final answer
    x = 116,958.12

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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.