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Finding the Fourth Proportional to 154,676.88, 232,089.84 and 79,800.48

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Solution

The fourth proportional to 154,676.88, 232,089.84 and 79,800.48 is: 119,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,676.88 : 232,089.84 = 79,800.48 : x
  2. Step 2: Convert to fraction form
    154,676.88/232,089.84 = 79,800.48/x
  3. Step 3: Cross multiply
    154,676.88x = 232,089.84 × 79,800.48
  4. Step 4: Simplify right side
    154,676.88x = 18,520,880,635.12
  5. Step 5: Solve for x
    x = 18,520,880,635.12/154,676.88
  6. Step 6: Final answer
    x = 119,739.17

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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.