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Finding the Fourth Proportional to 151,754.80, 227,632.20 and 122,230.30

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Solution

The fourth proportional to 151,754.80, 227,632.20 and 122,230.30 is: 183,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,754.80 : 227,632.20 = 122,230.30 : x
  2. Step 2: Convert to fraction form
    151,754.80/227,632.20 = 122,230.30/x
  3. Step 3: Cross multiply
    151,754.80x = 227,632.20 × 122,230.30
  4. Step 4: Simplify right side
    151,754.80x = 27,823,552,095.66
  5. Step 5: Solve for x
    x = 27,823,552,095.66/151,754.80
  6. Step 6: Final answer
    x = 183,345.45

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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.