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Finding the Fourth Proportional to 201,229.80, 277,695.46 and 109,348.28

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Solution

The fourth proportional to 201,229.80, 277,695.46 and 109,348.28 is: 150,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,229.80 : 277,695.46 = 109,348.28 : x
  2. Step 2: Convert to fraction form
    201,229.80/277,695.46 = 109,348.28/x
  3. Step 3: Cross multiply
    201,229.80x = 277,695.46 × 109,348.28
  4. Step 4: Simplify right side
    201,229.80x = 30,365,520,914.81
  5. Step 5: Solve for x
    x = 30,365,520,914.81/201,229.80
  6. Step 6: Final answer
    x = 150,899.72

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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.