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Finding the Fourth Proportional to 151,783.80, 227,675.70 and 122,259.30

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Solution

The fourth proportional to 151,783.80, 227,675.70 and 122,259.30 is: 183,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783.80 : 227,675.70 = 122,259.30 : x
  2. Step 2: Convert to fraction form
    151,783.80/227,675.70 = 122,259.30/x
  3. Step 3: Cross multiply
    151,783.80x = 227,675.70 × 122,259.30
  4. Step 4: Simplify right side
    151,783.80x = 27,835,471,709.01
  5. Step 5: Solve for x
    x = 27,835,471,709.01/151,783.80
  6. Step 6: Final answer
    x = 183,388.95

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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.