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Finding the Fourth Proportional to 201,326.88, 277,808.52 and 120,757.68

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Solution

The fourth proportional to 201,326.88, 277,808.52 and 120,757.68 is: 166,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,326.88 : 277,808.52 = 120,757.68 : x
  2. Step 2: Convert to fraction form
    201,326.88/277,808.52 = 120,757.68/x
  3. Step 3: Cross multiply
    201,326.88x = 277,808.52 × 120,757.68
  4. Step 4: Simplify right side
    201,326.88x = 33,547,512,359.43
  5. Step 5: Solve for x
    x = 33,547,512,359.43/201,326.88
  6. Step 6: Final answer
    x = 166,632.06

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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.