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Finding the Fourth Proportional to 119,630.40, 179,834.40 and 102,523.20

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Solution

The fourth proportional to 119,630.40, 179,834.40 and 102,523.20 is: 154,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,630.40 : 179,834.40 = 102,523.20 : x
  2. Step 2: Convert to fraction form
    119,630.40/179,834.40 = 102,523.20/x
  3. Step 3: Cross multiply
    119,630.40x = 179,834.40 × 102,523.20
  4. Step 4: Simplify right side
    119,630.40x = 18,437,198,158.08
  5. Step 5: Solve for x
    x = 18,437,198,158.08/119,630.40
  6. Step 6: Final answer
    x = 154,118.00

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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.