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Finding the Fourth Proportional to 234,959.82, 324,243.73 and 127,529.85

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Solution

The fourth proportional to 234,959.82, 324,243.73 and 127,529.85 is: 175,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,959.82 : 324,243.73 = 127,529.85 : x
  2. Step 2: Convert to fraction form
    234,959.82/324,243.73 = 127,529.85/x
  3. Step 3: Cross multiply
    234,959.82x = 324,243.73 × 127,529.85
  4. Step 4: Simplify right side
    234,959.82x = 41,350,754,250.34
  5. Step 5: Solve for x
    x = 41,350,754,250.34/234,959.82
  6. Step 6: Final answer
    x = 175,990.75

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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.