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Finding the Fourth Proportional to 366,934.99, 550,377.72 and 100,673.20

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Solution

The fourth proportional to 366,934.99, 550,377.72 and 100,673.20 is: 151,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,934.99 : 550,377.72 = 100,673.20 : x
  2. Step 2: Convert to fraction form
    366,934.99/550,377.72 = 100,673.20/x
  3. Step 3: Cross multiply
    366,934.99x = 550,377.72 × 100,673.20
  4. Step 4: Simplify right side
    366,934.99x = 55,408,286,281.10
  5. Step 5: Solve for x
    x = 55,408,286,281.10/366,934.99
  6. Step 6: Final answer
    x = 151,003.01

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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.