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Finding the Fourth Proportional to 152,026.65, 227,728.60 and 85,326.73

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Solution

The fourth proportional to 152,026.65, 227,728.60 and 85,326.73 is: 127,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,026.65 : 227,728.60 = 85,326.73 : x
  2. Step 2: Convert to fraction form
    152,026.65/227,728.60 = 85,326.73/x
  3. Step 3: Cross multiply
    152,026.65x = 227,728.60 × 85,326.73
  4. Step 4: Simplify right side
    152,026.65x = 19,431,335,982.84
  5. Step 5: Solve for x
    x = 19,431,335,982.84/152,026.65
  6. Step 6: Final answer
    x = 127,815.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.