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Finding the Fourth Proportional to 179,784.94, 269,797.80 and 74,604.01

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Solution

The fourth proportional to 179,784.94, 269,797.80 and 74,604.01 is: 111,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,784.94 : 269,797.80 = 74,604.01 : x
  2. Step 2: Convert to fraction form
    179,784.94/269,797.80 = 74,604.01/x
  3. Step 3: Cross multiply
    179,784.94x = 269,797.80 × 74,604.01
  4. Step 4: Simplify right side
    179,784.94x = 20,127,996,047.17
  5. Step 5: Solve for x
    x = 20,127,996,047.17/179,784.94
  6. Step 6: Final answer
    x = 111,955.97

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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.