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Finding the Fourth Proportional to 201,080.45, 277,515.64 and 116,197.51

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Solution

The fourth proportional to 201,080.45, 277,515.64 and 116,197.51 is: 160,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,080.45 : 277,515.64 = 116,197.51 : x
  2. Step 2: Convert to fraction form
    201,080.45/277,515.64 = 116,197.51/x
  3. Step 3: Cross multiply
    201,080.45x = 277,515.64 × 116,197.51
  4. Step 4: Simplify right side
    201,080.45x = 32,246,627,433.17
  5. Step 5: Solve for x
    x = 32,246,627,433.17/201,080.45
  6. Step 6: Final answer
    x = 160,366.80

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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.