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Finding the Fourth Proportional to 88,953, 122,758.98 and 49,209

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Solution

The fourth proportional to 88,953, 122,758.98 and 49,209 is: 67,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953 : 122,758.98 = 49,209 : x
  2. Step 2: Convert to fraction form
    88,953/122,758.98 = 49,209/x
  3. Step 3: Cross multiply
    88,953x = 122,758.98 × 49,209
  4. Step 4: Simplify right side
    88,953x = 6,040,846,646.82
  5. Step 5: Solve for x
    x = 6,040,846,646.82/88,953
  6. Step 6: Final answer
    x = 67,910.54

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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.