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Finding the Fourth Proportional to 247,004.65, 340,866.45 and 133,827.40

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Solution

The fourth proportional to 247,004.65, 340,866.45 and 133,827.40 is: 184,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004.65 : 340,866.45 = 133,827.40 : x
  2. Step 2: Convert to fraction form
    247,004.65/340,866.45 = 133,827.40/x
  3. Step 3: Cross multiply
    247,004.65x = 340,866.45 × 133,827.40
  4. Step 4: Simplify right side
    247,004.65x = 45,617,269,898.56
  5. Step 5: Solve for x
    x = 45,617,269,898.56/247,004.65
  6. Step 6: Final answer
    x = 184,681.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.