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Finding the Fourth Proportional to 556,745.40, 835,110.82 and 136,024.92

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Solution

The fourth proportional to 556,745.40, 835,110.82 and 136,024.92 is: 204,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,745.40 : 835,110.82 = 136,024.92 : x
  2. Step 2: Convert to fraction form
    556,745.40/835,110.82 = 136,024.92/x
  3. Step 3: Cross multiply
    556,745.40x = 835,110.82 × 136,024.92
  4. Step 4: Simplify right side
    556,745.40x = 113,595,882,481.63
  5. Step 5: Solve for x
    x = 113,595,882,481.63/556,745.40
  6. Step 6: Final answer
    x = 204,035.60

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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.