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Finding the Fourth Proportional to 123,281.79, 184,927.97 and 48,418.17

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Solution

The fourth proportional to 123,281.79, 184,927.97 and 48,418.17 is: 72,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,281.79 : 184,927.97 = 48,418.17 : x
  2. Step 2: Convert to fraction form
    123,281.79/184,927.97 = 48,418.17/x
  3. Step 3: Cross multiply
    123,281.79x = 184,927.97 × 48,418.17
  4. Step 4: Simplify right side
    123,281.79x = 8,953,873,889.21
  5. Step 5: Solve for x
    x = 8,953,873,889.21/123,281.79
  6. Step 6: Final answer
    x = 72,629.33

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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.