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Finding the Fourth Proportional to 148,486.65, 222,709.59 and 48,634.98

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Solution

The fourth proportional to 148,486.65, 222,709.59 and 48,634.98 is: 72,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,486.65 : 222,709.59 = 48,634.98 : x
  2. Step 2: Convert to fraction form
    148,486.65/222,709.59 = 48,634.98/x
  3. Step 3: Cross multiply
    148,486.65x = 222,709.59 × 48,634.98
  4. Step 4: Simplify right side
    148,486.65x = 10,831,476,455.46
  5. Step 5: Solve for x
    x = 10,831,476,455.46/148,486.65
  6. Step 6: Final answer
    x = 72,945.79

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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.