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Finding the Fourth Proportional to 220,900.37, 304,828.01 and 130,251.95

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Solution

The fourth proportional to 220,900.37, 304,828.01 and 130,251.95 is: 179,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,900.37 : 304,828.01 = 130,251.95 : x
  2. Step 2: Convert to fraction form
    220,900.37/304,828.01 = 130,251.95/x
  3. Step 3: Cross multiply
    220,900.37x = 304,828.01 × 130,251.95
  4. Step 4: Simplify right side
    220,900.37x = 39,704,442,173.27
  5. Step 5: Solve for x
    x = 39,704,442,173.27/220,900.37
  6. Step 6: Final answer
    x = 179,739.14

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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.