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Finding the Fourth Proportional to 201,216.75, 277,679.12 and 116,339.28

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Solution

The fourth proportional to 201,216.75, 277,679.12 and 116,339.28 is: 160,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,216.75 : 277,679.12 = 116,339.28 : x
  2. Step 2: Convert to fraction form
    201,216.75/277,679.12 = 116,339.28/x
  3. Step 3: Cross multiply
    201,216.75x = 277,679.12 × 116,339.28
  4. Step 4: Simplify right side
    201,216.75x = 32,304,988,310.14
  5. Step 5: Solve for x
    x = 32,304,988,310.14/201,216.75
  6. Step 6: Final answer
    x = 160,548.21

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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.