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Finding the Fourth Proportional to 201,086.28, 277,629.12 and 124,701.66

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Solution

The fourth proportional to 201,086.28, 277,629.12 and 124,701.66 is: 172,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,086.28 : 277,629.12 = 124,701.66 : x
  2. Step 2: Convert to fraction form
    201,086.28/277,629.12 = 124,701.66/x
  3. Step 3: Cross multiply
    201,086.28x = 277,629.12 × 124,701.66
  4. Step 4: Simplify right side
    201,086.28x = 34,620,812,128.34
  5. Step 5: Solve for x
    x = 34,620,812,128.34/201,086.28
  6. Step 6: Final answer
    x = 172,168.94

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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.