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Finding the Fourth Proportional to 200,438.98, 276,595.97 and 109,795.35

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Solution

The fourth proportional to 200,438.98, 276,595.97 and 109,795.35 is: 151,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,438.98 : 276,595.97 = 109,795.35 : x
  2. Step 2: Convert to fraction form
    200,438.98/276,595.97 = 109,795.35/x
  3. Step 3: Cross multiply
    200,438.98x = 276,595.97 × 109,795.35
  4. Step 4: Simplify right side
    200,438.98x = 30,368,950,267.15
  5. Step 5: Solve for x
    x = 30,368,950,267.15/200,438.98
  6. Step 6: Final answer
    x = 151,512.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.