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Finding the Fourth Proportional to 269,055.62, 403,443.22 and 100,437.27

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Solution

The fourth proportional to 269,055.62, 403,443.22 and 100,437.27 is: 150,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,055.62 : 403,443.22 = 100,437.27 : x
  2. Step 2: Convert to fraction form
    269,055.62/403,443.22 = 100,437.27/x
  3. Step 3: Cross multiply
    269,055.62x = 403,443.22 × 100,437.27
  4. Step 4: Simplify right side
    269,055.62x = 40,520,735,616.81
  5. Step 5: Solve for x
    x = 40,520,735,616.81/269,055.62
  6. Step 6: Final answer
    x = 150,603.57

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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.