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Finding the Fourth Proportional to 85,264.84, 117,667.38 and 47,025.55

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Solution

The fourth proportional to 85,264.84, 117,667.38 and 47,025.55 is: 64,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.84 : 117,667.38 = 47,025.55 : x
  2. Step 2: Convert to fraction form
    85,264.84/117,667.38 = 47,025.55/x
  3. Step 3: Cross multiply
    85,264.84x = 117,667.38 × 47,025.55
  4. Step 4: Simplify right side
    85,264.84x = 5,533,373,261.56
  5. Step 5: Solve for x
    x = 5,533,373,261.56/85,264.84
  6. Step 6: Final answer
    x = 64,896.31

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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.