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Finding the Fourth Proportional to 247,004.76, 340,865.76 and 133,827.50

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Solution

The fourth proportional to 247,004.76, 340,865.76 and 133,827.50 is: 184,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004.76 : 340,865.76 = 133,827.50 : x
  2. Step 2: Convert to fraction form
    247,004.76/340,865.76 = 133,827.50/x
  3. Step 3: Cross multiply
    247,004.76x = 340,865.76 × 133,827.50
  4. Step 4: Simplify right side
    247,004.76x = 45,617,212,496.40
  5. Step 5: Solve for x
    x = 45,617,212,496.40/247,004.76
  6. Step 6: Final answer
    x = 184,681.51

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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.