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Finding the Fourth Proportional to 179,863.80, 270,033.30 and 144,344.76

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Solution

The fourth proportional to 179,863.80, 270,033.30 and 144,344.76 is: 216,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,863.80 : 270,033.30 = 144,344.76 : x
  2. Step 2: Convert to fraction form
    179,863.80/270,033.30 = 144,344.76/x
  3. Step 3: Cross multiply
    179,863.80x = 270,033.30 × 144,344.76
  4. Step 4: Simplify right side
    179,863.80x = 38,977,891,880.51
  5. Step 5: Solve for x
    x = 38,977,891,880.51/179,863.80
  6. Step 6: Final answer
    x = 216,707.82

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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.