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Finding the Fourth Proportional to 117,604.16, 176,463.12 and 73,219.04

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Solution

The fourth proportional to 117,604.16, 176,463.12 and 73,219.04 is: 109,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,604.16 : 176,463.12 = 73,219.04 : x
  2. Step 2: Convert to fraction form
    117,604.16/176,463.12 = 73,219.04/x
  3. Step 3: Cross multiply
    117,604.16x = 176,463.12 × 73,219.04
  4. Step 4: Simplify right side
    117,604.16x = 12,920,460,241.80
  5. Step 5: Solve for x
    x = 12,920,460,241.80/117,604.16
  6. Step 6: Final answer
    x = 109,863.97

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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.