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Finding the Fourth Proportional to 251,604.45, 377,462.12 and 109,472.04

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Solution

The fourth proportional to 251,604.45, 377,462.12 and 109,472.04 is: 164,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,604.45 : 377,462.12 = 109,472.04 : x
  2. Step 2: Convert to fraction form
    251,604.45/377,462.12 = 109,472.04/x
  3. Step 3: Cross multiply
    251,604.45x = 377,462.12 × 109,472.04
  4. Step 4: Simplify right side
    251,604.45x = 41,321,547,751.76
  5. Step 5: Solve for x
    x = 41,321,547,751.76/251,604.45
  6. Step 6: Final answer
    x = 164,232.18

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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.