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Finding the Fourth Proportional to 228,797.61, 342,954.43 and 84,610.77

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Solution

The fourth proportional to 228,797.61, 342,954.43 and 84,610.77 is: 126,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,797.61 : 342,954.43 = 84,610.77 : x
  2. Step 2: Convert to fraction form
    228,797.61/342,954.43 = 84,610.77/x
  3. Step 3: Cross multiply
    228,797.61x = 342,954.43 × 84,610.77
  4. Step 4: Simplify right side
    228,797.61x = 29,017,638,397.21
  5. Step 5: Solve for x
    x = 29,017,638,397.21/228,797.61
  6. Step 6: Final answer
    x = 126,826.67

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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.