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Finding the Fourth Proportional to 275,814.80, 413,837.40 and 88,883.60

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Solution

The fourth proportional to 275,814.80, 413,837.40 and 88,883.60 is: 133,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,814.80 : 413,837.40 = 88,883.60 : x
  2. Step 2: Convert to fraction form
    275,814.80/413,837.40 = 88,883.60/x
  3. Step 3: Cross multiply
    275,814.80x = 413,837.40 × 88,883.60
  4. Step 4: Simplify right side
    275,814.80x = 36,783,357,926.64
  5. Step 5: Solve for x
    x = 36,783,357,926.64/275,814.80
  6. Step 6: Final answer
    x = 133,362.52

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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.