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Finding the Fourth Proportional to 302,376.90, 453,667.83 and 133,873.98

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Solution

The fourth proportional to 302,376.90, 453,667.83 and 133,873.98 is: 200,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,376.90 : 453,667.83 = 133,873.98 : x
  2. Step 2: Convert to fraction form
    302,376.90/453,667.83 = 133,873.98/x
  3. Step 3: Cross multiply
    302,376.90x = 453,667.83 × 133,873.98
  4. Step 4: Simplify right side
    302,376.90x = 60,734,318,000.06
  5. Step 5: Solve for x
    x = 60,734,318,000.06/302,376.90
  6. Step 6: Final answer
    x = 200,856.34

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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.