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Finding the Fourth Proportional to 172,992.33, 238,375.17 and 127,598.40

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Solution

The fourth proportional to 172,992.33, 238,375.17 and 127,598.40 is: 175,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,992.33 : 238,375.17 = 127,598.40 : x
  2. Step 2: Convert to fraction form
    172,992.33/238,375.17 = 127,598.40/x
  3. Step 3: Cross multiply
    172,992.33x = 238,375.17 × 127,598.40
  4. Step 4: Simplify right side
    172,992.33x = 30,416,290,291.73
  5. Step 5: Solve for x
    x = 30,416,290,291.73/172,992.33
  6. Step 6: Final answer
    x = 175,824.50

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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.