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Finding the Fourth Proportional to 171,442.75, 236,593.44 and 98,844.21

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Solution

The fourth proportional to 171,442.75, 236,593.44 and 98,844.21 is: 136,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,442.75 : 236,593.44 = 98,844.21 : x
  2. Step 2: Convert to fraction form
    171,442.75/236,593.44 = 98,844.21/x
  3. Step 3: Cross multiply
    171,442.75x = 236,593.44 × 98,844.21
  4. Step 4: Simplify right side
    171,442.75x = 23,385,890,237.90
  5. Step 5: Solve for x
    x = 23,385,890,237.90/171,442.75
  6. Step 6: Final answer
    x = 136,406.41

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1.5x scale

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.