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Finding the Fourth Proportional to 148,222.78, 222,266.87 and 63,943.08

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Solution

The fourth proportional to 148,222.78, 222,266.87 and 63,943.08 is: 95,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,222.78 : 222,266.87 = 63,943.08 : x
  2. Step 2: Convert to fraction form
    148,222.78/222,266.87 = 63,943.08/x
  3. Step 3: Cross multiply
    148,222.78x = 222,266.87 × 63,943.08
  4. Step 4: Simplify right side
    148,222.78x = 14,212,428,249.76
  5. Step 5: Solve for x
    x = 14,212,428,249.76/148,222.78
  6. Step 6: Final answer
    x = 95,885.59

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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.