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Finding the Fourth Proportional to 119,674.40, 179,900.40 and 102,567.20

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Solution

The fourth proportional to 119,674.40, 179,900.40 and 102,567.20 is: 154,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,674.40 : 179,900.40 = 102,567.20 : x
  2. Step 2: Convert to fraction form
    119,674.40/179,900.40 = 102,567.20/x
  3. Step 3: Cross multiply
    119,674.40x = 179,900.40 × 102,567.20
  4. Step 4: Simplify right side
    119,674.40x = 18,451,880,306.88
  5. Step 5: Solve for x
    x = 18,451,880,306.88/119,674.40
  6. Step 6: Final answer
    x = 154,184.02

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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.