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Finding the Fourth Proportional to 85,241.16, 127,753.20 and 35,264.16

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Solution

The fourth proportional to 85,241.16, 127,753.20 and 35,264.16 is: 52,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.16 : 127,753.20 = 35,264.16 : x
  2. Step 2: Convert to fraction form
    85,241.16/127,753.20 = 35,264.16/x
  3. Step 3: Cross multiply
    85,241.16x = 127,753.20 × 35,264.16
  4. Step 4: Simplify right side
    85,241.16x = 4,505,109,285.31
  5. Step 5: Solve for x
    x = 4,505,109,285.31/85,241.16
  6. Step 6: Final answer
    x = 52,851.34

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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.