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Finding the Fourth Proportional to 184,246.45, 275,926.79 and 105,120.79

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Solution

The fourth proportional to 184,246.45, 275,926.79 and 105,120.79 is: 157,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,246.45 : 275,926.79 = 105,120.79 : x
  2. Step 2: Convert to fraction form
    184,246.45/275,926.79 = 105,120.79/x
  3. Step 3: Cross multiply
    184,246.45x = 275,926.79 × 105,120.79
  4. Step 4: Simplify right side
    184,246.45x = 29,005,641,719.95
  5. Step 5: Solve for x
    x = 29,005,641,719.95/184,246.45
  6. Step 6: Final answer
    x = 157,428.50

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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.