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Finding the Fourth Proportional to 201,191.74, 277,540.49 and 136,664.30

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Solution

The fourth proportional to 201,191.74, 277,540.49 and 136,664.30 is: 188,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,191.74 : 277,540.49 = 136,664.30 : x
  2. Step 2: Convert to fraction form
    201,191.74/277,540.49 = 136,664.30/x
  3. Step 3: Cross multiply
    201,191.74x = 277,540.49 × 136,664.30
  4. Step 4: Simplify right side
    201,191.74x = 37,929,876,787.51
  5. Step 5: Solve for x
    x = 37,929,876,787.51/201,191.74
  6. Step 6: Final answer
    x = 188,526.01

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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.