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Finding the Fourth Proportional to 255,826.15, 353,137.35 and 192,348.34

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Solution

The fourth proportional to 255,826.15, 353,137.35 and 192,348.34 is: 265,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,826.15 : 353,137.35 = 192,348.34 : x
  2. Step 2: Convert to fraction form
    255,826.15/353,137.35 = 192,348.34/x
  3. Step 3: Cross multiply
    255,826.15x = 353,137.35 × 192,348.34
  4. Step 4: Simplify right side
    255,826.15x = 67,925,382,902.96
  5. Step 5: Solve for x
    x = 67,925,382,902.96/255,826.15
  6. Step 6: Final answer
    x = 265,513.84

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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.